Home / 51,761.28-77,643.44-14,321.66

Finding the Fourth Proportional to 51,761.28, 77,643.44 and 14,321.66

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Solution

The fourth proportional to 51,761.28, 77,643.44 and 14,321.66 is: 21,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.28 : 77,643.44 = 14,321.66 : x
  2. Step 2: Convert to fraction form
    51,761.28/77,643.44 = 14,321.66/x
  3. Step 3: Cross multiply
    51,761.28x = 77,643.44 × 14,321.66
  4. Step 4: Simplify right side
    51,761.28x = 1,111,982,489.08
  5. Step 5: Solve for x
    x = 1,111,982,489.08/51,761.28
  6. Step 6: Final answer
    x = 21,482.90

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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.