Home / 66,872.74-92,260.73-38,171.69

Finding the Fourth Proportional to 66,872.74, 92,260.73 and 38,171.69

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Solution

The fourth proportional to 66,872.74, 92,260.73 and 38,171.69 is: 52,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,872.74 : 92,260.73 = 38,171.69 : x
  2. Step 2: Convert to fraction form
    66,872.74/92,260.73 = 38,171.69/x
  3. Step 3: Cross multiply
    66,872.74x = 92,260.73 × 38,171.69
  4. Step 4: Simplify right side
    66,872.74x = 3,521,748,286.96
  5. Step 5: Solve for x
    x = 3,521,748,286.96/66,872.74
  6. Step 6: Final answer
    x = 52,663.44

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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.