Home / 51,349.32-77,024.10-13,909.62

Finding the Fourth Proportional to 51,349.32, 77,024.10 and 13,909.62

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Solution

The fourth proportional to 51,349.32, 77,024.10 and 13,909.62 is: 20,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,349.32 : 77,024.10 = 13,909.62 : x
  2. Step 2: Convert to fraction form
    51,349.32/77,024.10 = 13,909.62/x
  3. Step 3: Cross multiply
    51,349.32x = 77,024.10 × 13,909.62
  4. Step 4: Simplify right side
    51,349.32x = 1,071,375,961.84
  5. Step 5: Solve for x
    x = 1,071,375,961.84/51,349.32
  6. Step 6: Final answer
    x = 20,864.46

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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.