Home / 55,000.89-82,498.62-30,089.61

Finding the Fourth Proportional to 55,000.89, 82,498.62 and 30,089.61

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Solution

The fourth proportional to 55,000.89, 82,498.62 and 30,089.61 is: 45,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.89 : 82,498.62 = 30,089.61 : x
  2. Step 2: Convert to fraction form
    55,000.89/82,498.62 = 30,089.61/x
  3. Step 3: Cross multiply
    55,000.89x = 82,498.62 × 30,089.61
  4. Step 4: Simplify right side
    55,000.89x = 2,482,351,301.34
  5. Step 5: Solve for x
    x = 2,482,351,301.34/55,000.89
  6. Step 6: Final answer
    x = 45,132.93

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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.