Home / 39,464.07-54,461.22-21,560.23

Finding the Fourth Proportional to 39,464.07, 54,461.22 and 21,560.23

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Solution

The fourth proportional to 39,464.07, 54,461.22 and 21,560.23 is: 29,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.07 : 54,461.22 = 21,560.23 : x
  2. Step 2: Convert to fraction form
    39,464.07/54,461.22 = 21,560.23/x
  3. Step 3: Cross multiply
    39,464.07x = 54,461.22 × 21,560.23
  4. Step 4: Simplify right side
    39,464.07x = 1,174,196,429.28
  5. Step 5: Solve for x
    x = 1,174,196,429.28/39,464.07
  6. Step 6: Final answer
    x = 29,753.56

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Half scale
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Double scale
Find fourth proportional to 39,465.07, 54,462.60 and 21,561.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.