Home / 39,465.07-54,462.60-21,561.23

Finding the Fourth Proportional to 39,465.07, 54,462.60 and 21,561.23

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Solution

The fourth proportional to 39,465.07, 54,462.60 and 21,561.23 is: 29,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.07 : 54,462.60 = 21,561.23 : x
  2. Step 2: Convert to fraction form
    39,465.07/54,462.60 = 21,561.23/x
  3. Step 3: Cross multiply
    39,465.07x = 54,462.60 × 21,561.23
  4. Step 4: Simplify right side
    39,465.07x = 1,174,280,537.19
  5. Step 5: Solve for x
    x = 1,174,280,537.19/39,465.07
  6. Step 6: Final answer
    x = 29,754.94

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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.