Home / 38,769.90-58,154.85-13,838.10

Finding the Fourth Proportional to 38,769.90, 58,154.85 and 13,838.10

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Solution

The fourth proportional to 38,769.90, 58,154.85 and 13,838.10 is: 20,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.90 : 58,154.85 = 13,838.10 : x
  2. Step 2: Convert to fraction form
    38,769.90/58,154.85 = 13,838.10/x
  3. Step 3: Cross multiply
    38,769.90x = 58,154.85 × 13,838.10
  4. Step 4: Simplify right side
    38,769.90x = 804,752,629.79
  5. Step 5: Solve for x
    x = 804,752,629.79/38,769.90
  6. Step 6: Final answer
    x = 20,757.15

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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.