Home / 55,318.13-82,829.67-28,967.61

Finding the Fourth Proportional to 55,318.13, 82,829.67 and 28,967.61

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Solution

The fourth proportional to 55,318.13, 82,829.67 and 28,967.61 is: 43,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318.13 : 82,829.67 = 28,967.61 : x
  2. Step 2: Convert to fraction form
    55,318.13/82,829.67 = 28,967.61/x
  3. Step 3: Cross multiply
    55,318.13x = 82,829.67 × 28,967.61
  4. Step 4: Simplify right side
    55,318.13x = 2,399,377,576.99
  5. Step 5: Solve for x
    x = 2,399,377,576.99/55,318.13
  6. Step 6: Final answer
    x = 43,374.16

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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.