Home / 50,666.74-75,999.12-15,128

Finding the Fourth Proportional to 50,666.74, 75,999.12 and 15,128

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Solution

The fourth proportional to 50,666.74, 75,999.12 and 15,128 is: 22,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.74 : 75,999.12 = 15,128 : x
  2. Step 2: Convert to fraction form
    50,666.74/75,999.12 = 15,128/x
  3. Step 3: Cross multiply
    50,666.74x = 75,999.12 × 15,128
  4. Step 4: Simplify right side
    50,666.74x = 1,149,714,687.36
  5. Step 5: Solve for x
    x = 1,149,714,687.36/50,666.74
  6. Step 6: Final answer
    x = 22,691.70

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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.