Home / 38,891.50-58,337.42-13,590.90

Finding the Fourth Proportional to 38,891.50, 58,337.42 and 13,590.90

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Solution

The fourth proportional to 38,891.50, 58,337.42 and 13,590.90 is: 20,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.50 : 58,337.42 = 13,590.90 : x
  2. Step 2: Convert to fraction form
    38,891.50/58,337.42 = 13,590.90/x
  3. Step 3: Cross multiply
    38,891.50x = 58,337.42 × 13,590.90
  4. Step 4: Simplify right side
    38,891.50x = 792,858,041.48
  5. Step 5: Solve for x
    x = 792,858,041.48/38,891.50
  6. Step 6: Final answer
    x = 20,386.41

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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.