Home / 42,555.70-63,832.62-11,390.95

Finding the Fourth Proportional to 42,555.70, 63,832.62 and 11,390.95

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Solution

The fourth proportional to 42,555.70, 63,832.62 and 11,390.95 is: 17,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.70 : 63,832.62 = 11,390.95 : x
  2. Step 2: Convert to fraction form
    42,555.70/63,832.62 = 11,390.95/x
  3. Step 3: Cross multiply
    42,555.70x = 63,832.62 × 11,390.95
  4. Step 4: Simplify right side
    42,555.70x = 727,114,182.79
  5. Step 5: Solve for x
    x = 727,114,182.79/42,555.70
  6. Step 6: Final answer
    x = 17,086.18

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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.