Home / 40,181.80-60,272.70-38,475.40

Finding the Fourth Proportional to 40,181.80, 60,272.70 and 38,475.40

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Solution

The fourth proportional to 40,181.80, 60,272.70 and 38,475.40 is: 57,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.80 : 60,272.70 = 38,475.40 : x
  2. Step 2: Convert to fraction form
    40,181.80/60,272.70 = 38,475.40/x
  3. Step 3: Cross multiply
    40,181.80x = 60,272.70 × 38,475.40
  4. Step 4: Simplify right side
    40,181.80x = 2,319,016,241.58
  5. Step 5: Solve for x
    x = 2,319,016,241.58/40,181.80
  6. Step 6: Final answer
    x = 57,713.10

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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.