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Finding the Fourth Proportional to 60,550.50, 90,830.41 and 18,434.20

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Solution

The fourth proportional to 60,550.50, 90,830.41 and 18,434.20 is: 27,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,550.50 : 90,830.41 = 18,434.20 : x
  2. Step 2: Convert to fraction form
    60,550.50/90,830.41 = 18,434.20/x
  3. Step 3: Cross multiply
    60,550.50x = 90,830.41 × 18,434.20
  4. Step 4: Simplify right side
    60,550.50x = 1,674,385,397.70
  5. Step 5: Solve for x
    x = 1,674,385,397.70/60,550.50
  6. Step 6: Final answer
    x = 27,652.71

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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.