Home / 66,942.28-92,377.02-38,261.08

Finding the Fourth Proportional to 66,942.28, 92,377.02 and 38,261.08

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Solution

The fourth proportional to 66,942.28, 92,377.02 and 38,261.08 is: 52,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,942.28 : 92,377.02 = 38,261.08 : x
  2. Step 2: Convert to fraction form
    66,942.28/92,377.02 = 38,261.08/x
  3. Step 3: Cross multiply
    66,942.28x = 92,377.02 × 38,261.08
  4. Step 4: Simplify right side
    66,942.28x = 3,534,444,552.38
  5. Step 5: Solve for x
    x = 3,534,444,552.38/66,942.28
  6. Step 6: Final answer
    x = 52,798.39

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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.