Home / 55,428.60-83,195.10-29,152.20

Finding the Fourth Proportional to 55,428.60, 83,195.10 and 29,152.20

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Solution

The fourth proportional to 55,428.60, 83,195.10 and 29,152.20 is: 43,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,428.60 : 83,195.10 = 29,152.20 : x
  2. Step 2: Convert to fraction form
    55,428.60/83,195.10 = 29,152.20/x
  3. Step 3: Cross multiply
    55,428.60x = 83,195.10 × 29,152.20
  4. Step 4: Simplify right side
    55,428.60x = 2,425,320,194.22
  5. Step 5: Solve for x
    x = 2,425,320,194.22/55,428.60
  6. Step 6: Final answer
    x = 43,755.75

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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.