Home / 55,418.38-83,127.53-13,865.38

Finding the Fourth Proportional to 55,418.38, 83,127.53 and 13,865.38

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Solution

The fourth proportional to 55,418.38, 83,127.53 and 13,865.38 is: 20,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,418.38 : 83,127.53 = 13,865.38 : x
  2. Step 2: Convert to fraction form
    55,418.38/83,127.53 = 13,865.38/x
  3. Step 3: Cross multiply
    55,418.38x = 83,127.53 × 13,865.38
  4. Step 4: Simplify right side
    55,418.38x = 1,152,594,618.76
  5. Step 5: Solve for x
    x = 1,152,594,618.76/55,418.38
  6. Step 6: Final answer
    x = 20,798.06

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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.