Home / 51,001.32-76,499.46-19,418.52

Finding the Fourth Proportional to 51,001.32, 76,499.46 and 19,418.52

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Solution

The fourth proportional to 51,001.32, 76,499.46 and 19,418.52 is: 29,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.32 : 76,499.46 = 19,418.52 : x
  2. Step 2: Convert to fraction form
    51,001.32/76,499.46 = 19,418.52/x
  3. Step 3: Cross multiply
    51,001.32x = 76,499.46 × 19,418.52
  4. Step 4: Simplify right side
    51,001.32x = 1,485,506,294.00
  5. Step 5: Solve for x
    x = 1,485,506,294.00/51,001.32
  6. Step 6: Final answer
    x = 29,126.82

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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.