Home / 42,354.20-63,550.70-18,345.85

Finding the Fourth Proportional to 42,354.20, 63,550.70 and 18,345.85

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Solution

The fourth proportional to 42,354.20, 63,550.70 and 18,345.85 is: 27,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,354.20 : 63,550.70 = 18,345.85 : x
  2. Step 2: Convert to fraction form
    42,354.20/63,550.70 = 18,345.85/x
  3. Step 3: Cross multiply
    42,354.20x = 63,550.70 × 18,345.85
  4. Step 4: Simplify right side
    42,354.20x = 1,165,891,427.79
  5. Step 5: Solve for x
    x = 1,165,891,427.79/42,354.20
  6. Step 6: Final answer
    x = 27,527.17

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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.