Home / 42,753.12-64,421.52-35,132.64

Finding the Fourth Proportional to 42,753.12, 64,421.52 and 35,132.64

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Solution

The fourth proportional to 42,753.12, 64,421.52 and 35,132.64 is: 52,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,753.12 : 64,421.52 = 35,132.64 : x
  2. Step 2: Convert to fraction form
    42,753.12/64,421.52 = 35,132.64/x
  3. Step 3: Cross multiply
    42,753.12x = 64,421.52 × 35,132.64
  4. Step 4: Simplify right side
    42,753.12x = 2,263,298,070.41
  5. Step 5: Solve for x
    x = 2,263,298,070.41/42,753.12
  6. Step 6: Final answer
    x = 52,938.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.