Home / 47,726.64-71,593.32-12,666

Finding the Fourth Proportional to 47,726.64, 71,593.32 and 12,666

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Solution

The fourth proportional to 47,726.64, 71,593.32 and 12,666 is: 18,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,726.64 : 71,593.32 = 12,666 : x
  2. Step 2: Convert to fraction form
    47,726.64/71,593.32 = 12,666/x
  3. Step 3: Cross multiply
    47,726.64x = 71,593.32 × 12,666
  4. Step 4: Simplify right side
    47,726.64x = 906,800,991.12
  5. Step 5: Solve for x
    x = 906,800,991.12/47,726.64
  6. Step 6: Final answer
    x = 18,999.89

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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.