Home / 39,034.00-53,866.92-21,129.15

Finding the Fourth Proportional to 39,034.00, 53,866.92 and 21,129.15

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Solution

The fourth proportional to 39,034.00, 53,866.92 and 21,129.15 is: 29,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034.00 : 53,866.92 = 21,129.15 : x
  2. Step 2: Convert to fraction form
    39,034.00/53,866.92 = 21,129.15/x
  3. Step 3: Cross multiply
    39,034.00x = 53,866.92 × 21,129.15
  4. Step 4: Simplify right side
    39,034.00x = 1,138,162,513.95
  5. Step 5: Solve for x
    x = 1,138,162,513.95/39,034.00
  6. Step 6: Final answer
    x = 29,158.23

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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.