Home / 43,808.30-65,712.45-25,318.70

Finding the Fourth Proportional to 43,808.30, 65,712.45 and 25,318.70

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Solution

The fourth proportional to 43,808.30, 65,712.45 and 25,318.70 is: 37,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.30 : 65,712.45 = 25,318.70 : x
  2. Step 2: Convert to fraction form
    43,808.30/65,712.45 = 25,318.70/x
  3. Step 3: Cross multiply
    43,808.30x = 65,712.45 × 25,318.70
  4. Step 4: Simplify right side
    43,808.30x = 1,663,753,807.82
  5. Step 5: Solve for x
    x = 1,663,753,807.82/43,808.30
  6. Step 6: Final answer
    x = 37,978.05

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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.