Home / 47,601.71-71,402.39-21,287.98

Finding the Fourth Proportional to 47,601.71, 71,402.39 and 21,287.98

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Solution

The fourth proportional to 47,601.71, 71,402.39 and 21,287.98 is: 31,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,601.71 : 71,402.39 = 21,287.98 : x
  2. Step 2: Convert to fraction form
    47,601.71/71,402.39 = 21,287.98/x
  3. Step 3: Cross multiply
    47,601.71x = 71,402.39 × 21,287.98
  4. Step 4: Simplify right side
    47,601.71x = 1,520,012,650.27
  5. Step 5: Solve for x
    x = 1,520,012,650.27/47,601.71
  6. Step 6: Final answer
    x = 31,931.89

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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.