Home / 58,120.66-87,180.65-18,677.89

Finding the Fourth Proportional to 58,120.66, 87,180.65 and 18,677.89

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Solution

The fourth proportional to 58,120.66, 87,180.65 and 18,677.89 is: 28,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,120.66 : 87,180.65 = 18,677.89 : x
  2. Step 2: Convert to fraction form
    58,120.66/87,180.65 = 18,677.89/x
  3. Step 3: Cross multiply
    58,120.66x = 87,180.65 × 18,677.89
  4. Step 4: Simplify right side
    58,120.66x = 1,628,350,781.52
  5. Step 5: Solve for x
    x = 1,628,350,781.52/58,120.66
  6. Step 6: Final answer
    x = 28,016.73

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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.