Home / 54,743.40-82,115.10-15,300.45

Finding the Fourth Proportional to 54,743.40, 82,115.10 and 15,300.45

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Solution

The fourth proportional to 54,743.40, 82,115.10 and 15,300.45 is: 22,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.40 : 82,115.10 = 15,300.45 : x
  2. Step 2: Convert to fraction form
    54,743.40/82,115.10 = 15,300.45/x
  3. Step 3: Cross multiply
    54,743.40x = 82,115.10 × 15,300.45
  4. Step 4: Simplify right side
    54,743.40x = 1,256,397,981.80
  5. Step 5: Solve for x
    x = 1,256,397,981.80/54,743.40
  6. Step 6: Final answer
    x = 22,950.68

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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.