Home / 39,466.07-54,464.36-21,562.23

Finding the Fourth Proportional to 39,466.07, 54,464.36 and 21,562.23

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Solution

The fourth proportional to 39,466.07, 54,464.36 and 21,562.23 is: 29,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,466.07 : 54,464.36 = 21,562.23 : x
  2. Step 2: Convert to fraction form
    39,466.07/54,464.36 = 21,562.23/x
  3. Step 3: Cross multiply
    39,466.07x = 54,464.36 × 21,562.23
  4. Step 4: Simplify right side
    39,466.07x = 1,174,373,057.12
  5. Step 5: Solve for x
    x = 1,174,373,057.12/39,466.07
  6. Step 6: Final answer
    x = 29,756.52

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Double scale
Find fourth proportional to 39,467.07, 54,465.74 and 21,563.23
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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.