Home / 55,001.89-82,500.12-30,090.61

Finding the Fourth Proportional to 55,001.89, 82,500.12 and 30,090.61

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Solution

The fourth proportional to 55,001.89, 82,500.12 and 30,090.61 is: 45,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,001.89 : 82,500.12 = 30,090.61 : x
  2. Step 2: Convert to fraction form
    55,001.89/82,500.12 = 30,090.61/x
  3. Step 3: Cross multiply
    55,001.89x = 82,500.12 × 30,090.61
  4. Step 4: Simplify right side
    55,001.89x = 2,482,478,935.87
  5. Step 5: Solve for x
    x = 2,482,478,935.87/55,001.89
  6. Step 6: Final answer
    x = 45,134.43

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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.