Home / 40,254.30-60,381.45-38,547.90

Finding the Fourth Proportional to 40,254.30, 60,381.45 and 38,547.90

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Solution

The fourth proportional to 40,254.30, 60,381.45 and 38,547.90 is: 57,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,254.30 : 60,381.45 = 38,547.90 : x
  2. Step 2: Convert to fraction form
    40,254.30/60,381.45 = 38,547.90/x
  3. Step 3: Cross multiply
    40,254.30x = 60,381.45 × 38,547.90
  4. Step 4: Simplify right side
    40,254.30x = 2,327,578,096.46
  5. Step 5: Solve for x
    x = 2,327,578,096.46/40,254.30
  6. Step 6: Final answer
    x = 57,821.85

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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.