Home / 39,838.13-59,757.20-13,176.97

Finding the Fourth Proportional to 39,838.13, 59,757.20 and 13,176.97

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Solution

The fourth proportional to 39,838.13, 59,757.20 and 13,176.97 is: 19,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.13 : 59,757.20 = 13,176.97 : x
  2. Step 2: Convert to fraction form
    39,838.13/59,757.20 = 13,176.97/x
  3. Step 3: Cross multiply
    39,838.13x = 59,757.20 × 13,176.97
  4. Step 4: Simplify right side
    39,838.13x = 787,418,665.82
  5. Step 5: Solve for x
    x = 787,418,665.82/39,838.13
  6. Step 6: Final answer
    x = 19,765.45

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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.