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Finding the Fourth Proportional to 67,258.59, 92,808.73 and 38,576.77

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Solution

The fourth proportional to 67,258.59, 92,808.73 and 38,576.77 is: 53,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,258.59 : 92,808.73 = 38,576.77 : x
  2. Step 2: Convert to fraction form
    67,258.59/92,808.73 = 38,576.77/x
  3. Step 3: Cross multiply
    67,258.59x = 92,808.73 × 38,576.77
  4. Step 4: Simplify right side
    67,258.59x = 3,580,261,441.78
  5. Step 5: Solve for x
    x = 3,580,261,441.78/67,258.59
  6. Step 6: Final answer
    x = 53,231.29

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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.