Home / 38,772.11-58,158.18-12,476.85

Finding the Fourth Proportional to 38,772.11, 58,158.18 and 12,476.85

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Solution

The fourth proportional to 38,772.11, 58,158.18 and 12,476.85 is: 18,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.11 : 58,158.18 = 12,476.85 : x
  2. Step 2: Convert to fraction form
    38,772.11/58,158.18 = 12,476.85/x
  3. Step 3: Cross multiply
    38,772.11x = 58,158.18 × 12,476.85
  4. Step 4: Simplify right side
    38,772.11x = 725,630,888.13
  5. Step 5: Solve for x
    x = 725,630,888.13/38,772.11
  6. Step 6: Final answer
    x = 18,715.28

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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.