Home / 47,614.23-71,418.51-21,311.91

Finding the Fourth Proportional to 47,614.23, 71,418.51 and 21,311.91

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Solution

The fourth proportional to 47,614.23, 71,418.51 and 21,311.91 is: 31,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,614.23 : 71,418.51 = 21,311.91 : x
  2. Step 2: Convert to fraction form
    47,614.23/71,418.51 = 21,311.91/x
  3. Step 3: Cross multiply
    47,614.23x = 71,418.51 × 21,311.91
  4. Step 4: Simplify right side
    47,614.23x = 1,522,064,857.45
  5. Step 5: Solve for x
    x = 1,522,064,857.45/47,614.23
  6. Step 6: Final answer
    x = 31,966.60

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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.