Home / 53,395.49-80,141.75-28,456.85

Finding the Fourth Proportional to 53,395.49, 80,141.75 and 28,456.85

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Solution

The fourth proportional to 53,395.49, 80,141.75 and 28,456.85 is: 42,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.49 : 80,141.75 = 28,456.85 : x
  2. Step 2: Convert to fraction form
    53,395.49/80,141.75 = 28,456.85/x
  3. Step 3: Cross multiply
    53,395.49x = 80,141.75 × 28,456.85
  4. Step 4: Simplify right side
    53,395.49x = 2,280,581,758.49
  5. Step 5: Solve for x
    x = 2,280,581,758.49/53,395.49
  6. Step 6: Final answer
    x = 42,711.13

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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.