Home / 53,398.89-80,006.28-35,375.88

Finding the Fourth Proportional to 53,398.89, 80,006.28 and 35,375.88

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Solution

The fourth proportional to 53,398.89, 80,006.28 and 35,375.88 is: 53,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,398.89 : 80,006.28 = 35,375.88 : x
  2. Step 2: Convert to fraction form
    53,398.89/80,006.28 = 35,375.88/x
  3. Step 3: Cross multiply
    53,398.89x = 80,006.28 × 35,375.88
  4. Step 4: Simplify right side
    53,398.89x = 2,830,292,560.53
  5. Step 5: Solve for x
    x = 2,830,292,560.53/53,398.89
  6. Step 6: Final answer
    x = 53,002.84

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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.