Home / 38,142.16-57,148.60-23,103.80

Finding the Fourth Proportional to 38,142.16, 57,148.60 and 23,103.80

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Solution

The fourth proportional to 38,142.16, 57,148.60 and 23,103.80 is: 34,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.16 : 57,148.60 = 23,103.80 : x
  2. Step 2: Convert to fraction form
    38,142.16/57,148.60 = 23,103.80/x
  3. Step 3: Cross multiply
    38,142.16x = 57,148.60 × 23,103.80
  4. Step 4: Simplify right side
    38,142.16x = 1,320,349,824.68
  5. Step 5: Solve for x
    x = 1,320,349,824.68/38,142.16
  6. Step 6: Final answer
    x = 34,616.55

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1.5x scale

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.