Home / 54,385.20-81,577.80-35,358.30

Finding the Fourth Proportional to 54,385.20, 81,577.80 and 35,358.30

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Solution

The fourth proportional to 54,385.20, 81,577.80 and 35,358.30 is: 53,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.20 : 81,577.80 = 35,358.30 : x
  2. Step 2: Convert to fraction form
    54,385.20/81,577.80 = 35,358.30/x
  3. Step 3: Cross multiply
    54,385.20x = 81,577.80 × 35,358.30
  4. Step 4: Simplify right side
    54,385.20x = 2,884,452,325.74
  5. Step 5: Solve for x
    x = 2,884,452,325.74/54,385.20
  6. Step 6: Final answer
    x = 53,037.45

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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.