Home / 47,867.32-71,780.11-14,579.56

Finding the Fourth Proportional to 47,867.32, 71,780.11 and 14,579.56

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Solution

The fourth proportional to 47,867.32, 71,780.11 and 14,579.56 is: 21,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,867.32 : 71,780.11 = 14,579.56 : x
  2. Step 2: Convert to fraction form
    47,867.32/71,780.11 = 14,579.56/x
  3. Step 3: Cross multiply
    47,867.32x = 71,780.11 × 14,579.56
  4. Step 4: Simplify right side
    47,867.32x = 1,046,522,420.55
  5. Step 5: Solve for x
    x = 1,046,522,420.55/47,867.32
  6. Step 6: Final answer
    x = 21,862.98

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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.