Home / 38,769.38-58,154.30-13,810.40

Finding the Fourth Proportional to 38,769.38, 58,154.30 and 13,810.40

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Solution

The fourth proportional to 38,769.38, 58,154.30 and 13,810.40 is: 20,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.38 : 58,154.30 = 13,810.40 : x
  2. Step 2: Convert to fraction form
    38,769.38/58,154.30 = 13,810.40/x
  3. Step 3: Cross multiply
    38,769.38x = 58,154.30 × 13,810.40
  4. Step 4: Simplify right side
    38,769.38x = 803,134,132.45
  5. Step 5: Solve for x
    x = 803,134,132.45/38,769.38
  6. Step 6: Final answer
    x = 20,715.68

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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.