Home / 54,864.57-82,296.86-15,421.68

Finding the Fourth Proportional to 54,864.57, 82,296.86 and 15,421.68

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Solution

The fourth proportional to 54,864.57, 82,296.86 and 15,421.68 is: 23,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,864.57 : 82,296.86 = 15,421.68 : x
  2. Step 2: Convert to fraction form
    54,864.57/82,296.86 = 15,421.68/x
  3. Step 3: Cross multiply
    54,864.57x = 82,296.86 × 15,421.68
  4. Step 4: Simplify right side
    54,864.57x = 1,269,156,085.89
  5. Step 5: Solve for x
    x = 1,269,156,085.89/54,864.57
  6. Step 6: Final answer
    x = 23,132.53

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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.