Home / 67,638.38-93,349.08-39,344.07

Finding the Fourth Proportional to 67,638.38, 93,349.08 and 39,344.07

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Solution

The fourth proportional to 67,638.38, 93,349.08 and 39,344.07 is: 54,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,638.38 : 93,349.08 = 39,344.07 : x
  2. Step 2: Convert to fraction form
    67,638.38/93,349.08 = 39,344.07/x
  3. Step 3: Cross multiply
    67,638.38x = 93,349.08 × 39,344.07
  4. Step 4: Simplify right side
    67,638.38x = 3,672,732,737.96
  5. Step 5: Solve for x
    x = 3,672,732,737.96/67,638.38
  6. Step 6: Final answer
    x = 54,299.54

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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.