Home / 45,666.24-62,988.30-39,687.72

Finding the Fourth Proportional to 45,666.24, 62,988.30 and 39,687.72

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Solution

The fourth proportional to 45,666.24, 62,988.30 and 39,687.72 is: 54,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,666.24 : 62,988.30 = 39,687.72 : x
  2. Step 2: Convert to fraction form
    45,666.24/62,988.30 = 39,687.72/x
  3. Step 3: Cross multiply
    45,666.24x = 62,988.30 × 39,687.72
  4. Step 4: Simplify right side
    45,666.24x = 2,499,862,013.68
  5. Step 5: Solve for x
    x = 2,499,862,013.68/45,666.24
  6. Step 6: Final answer
    x = 54,742.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.