Home / 47,639.60-71,462.14-14,356.20

Finding the Fourth Proportional to 47,639.60, 71,462.14 and 14,356.20

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Solution

The fourth proportional to 47,639.60, 71,462.14 and 14,356.20 is: 21,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.60 : 71,462.14 = 14,356.20 : x
  2. Step 2: Convert to fraction form
    47,639.60/71,462.14 = 14,356.20/x
  3. Step 3: Cross multiply
    47,639.60x = 71,462.14 × 14,356.20
  4. Step 4: Simplify right side
    47,639.60x = 1,025,924,738.38
  5. Step 5: Solve for x
    x = 1,025,924,738.38/47,639.60
  6. Step 6: Final answer
    x = 21,535.12

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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.