Home / 51,838.40-77,757.60-22,251.20

Finding the Fourth Proportional to 51,838.40, 77,757.60 and 22,251.20

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Solution

The fourth proportional to 51,838.40, 77,757.60 and 22,251.20 is: 33,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.40 : 77,757.60 = 22,251.20 : x
  2. Step 2: Convert to fraction form
    51,838.40/77,757.60 = 22,251.20/x
  3. Step 3: Cross multiply
    51,838.40x = 77,757.60 × 22,251.20
  4. Step 4: Simplify right side
    51,838.40x = 1,730,199,909.12
  5. Step 5: Solve for x
    x = 1,730,199,909.12/51,838.40
  6. Step 6: Final answer
    x = 33,376.80

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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.