Home / 55,154.80-82,773.93-40,402.06

Finding the Fourth Proportional to 55,154.80, 82,773.93 and 40,402.06

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Solution

The fourth proportional to 55,154.80, 82,773.93 and 40,402.06 is: 60,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.80 : 82,773.93 = 40,402.06 : x
  2. Step 2: Convert to fraction form
    55,154.80/82,773.93 = 40,402.06/x
  3. Step 3: Cross multiply
    55,154.80x = 82,773.93 × 40,402.06
  4. Step 4: Simplify right side
    55,154.80x = 3,344,237,286.30
  5. Step 5: Solve for x
    x = 3,344,237,286.30/55,154.80
  6. Step 6: Final answer
    x = 60,633.66

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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.