Home / 66,902.28-92,324.38-38,607.36

Finding the Fourth Proportional to 66,902.28, 92,324.38 and 38,607.36

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Solution

The fourth proportional to 66,902.28, 92,324.38 and 38,607.36 is: 53,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,902.28 : 92,324.38 = 38,607.36 : x
  2. Step 2: Convert to fraction form
    66,902.28/92,324.38 = 38,607.36/x
  3. Step 3: Cross multiply
    66,902.28x = 92,324.38 × 38,607.36
  4. Step 4: Simplify right side
    66,902.28x = 3,564,400,575.44
  5. Step 5: Solve for x
    x = 3,564,400,575.44/66,902.28
  6. Step 6: Final answer
    x = 53,277.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.