Home / 38,887.79-58,340.90-12,592.49

Finding the Fourth Proportional to 38,887.79, 58,340.90 and 12,592.49

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Solution

The fourth proportional to 38,887.79, 58,340.90 and 12,592.49 is: 18,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,887.79 : 58,340.90 = 12,592.49 : x
  2. Step 2: Convert to fraction form
    38,887.79/58,340.90 = 12,592.49/x
  3. Step 3: Cross multiply
    38,887.79x = 58,340.90 × 12,592.49
  4. Step 4: Simplify right side
    38,887.79x = 734,656,939.62
  5. Step 5: Solve for x
    x = 734,656,939.62/38,887.79
  6. Step 6: Final answer
    x = 18,891.71

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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.