Home / 47,945.87-71,931.87-14,665.20

Finding the Fourth Proportional to 47,945.87, 71,931.87 and 14,665.20

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Solution

The fourth proportional to 47,945.87, 71,931.87 and 14,665.20 is: 22,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.87 : 71,931.87 = 14,665.20 : x
  2. Step 2: Convert to fraction form
    47,945.87/71,931.87 = 14,665.20/x
  3. Step 3: Cross multiply
    47,945.87x = 71,931.87 × 14,665.20
  4. Step 4: Simplify right side
    47,945.87x = 1,054,895,259.92
  5. Step 5: Solve for x
    x = 1,054,895,259.92/47,945.87
  6. Step 6: Final answer
    x = 22,001.80

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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.