Home / 42,247.40-63,367.80-11,081.84

Finding the Fourth Proportional to 42,247.40, 63,367.80 and 11,081.84

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Solution

The fourth proportional to 42,247.40, 63,367.80 and 11,081.84 is: 16,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,247.40 : 63,367.80 = 11,081.84 : x
  2. Step 2: Convert to fraction form
    42,247.40/63,367.80 = 11,081.84/x
  3. Step 3: Cross multiply
    42,247.40x = 63,367.80 × 11,081.84
  4. Step 4: Simplify right side
    42,247.40x = 702,231,820.75
  5. Step 5: Solve for x
    x = 702,231,820.75/42,247.40
  6. Step 6: Final answer
    x = 16,621.89

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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.