Home / 47,909.34-66,179.43-43,438.14

Finding the Fourth Proportional to 47,909.34, 66,179.43 and 43,438.14

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Solution

The fourth proportional to 47,909.34, 66,179.43 and 43,438.14 is: 60,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.34 : 66,179.43 = 43,438.14 : x
  2. Step 2: Convert to fraction form
    47,909.34/66,179.43 = 43,438.14/x
  3. Step 3: Cross multiply
    47,909.34x = 66,179.43 × 43,438.14
  4. Step 4: Simplify right side
    47,909.34x = 2,874,711,345.46
  5. Step 5: Solve for x
    x = 2,874,711,345.46/47,909.34
  6. Step 6: Final answer
    x = 60,003.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.