Home / 40,678.40-56,133.61-22,773.35

Finding the Fourth Proportional to 40,678.40, 56,133.61 and 22,773.35

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Solution

The fourth proportional to 40,678.40, 56,133.61 and 22,773.35 is: 31,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,678.40 : 56,133.61 = 22,773.35 : x
  2. Step 2: Convert to fraction form
    40,678.40/56,133.61 = 22,773.35/x
  3. Step 3: Cross multiply
    40,678.40x = 56,133.61 × 22,773.35
  4. Step 4: Simplify right side
    40,678.40x = 1,278,350,430.69
  5. Step 5: Solve for x
    x = 1,278,350,430.69/40,678.40
  6. Step 6: Final answer
    x = 31,425.78

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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.