Home / 39,032.28-58,542.35-12,731.18

Finding the Fourth Proportional to 39,032.28, 58,542.35 and 12,731.18

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Solution

The fourth proportional to 39,032.28, 58,542.35 and 12,731.18 is: 19,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,032.28 : 58,542.35 = 12,731.18 : x
  2. Step 2: Convert to fraction form
    39,032.28/58,542.35 = 12,731.18/x
  3. Step 3: Cross multiply
    39,032.28x = 58,542.35 × 12,731.18
  4. Step 4: Simplify right side
    39,032.28x = 745,312,839.11
  5. Step 5: Solve for x
    x = 745,312,839.11/39,032.28
  6. Step 6: Final answer
    x = 19,094.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.