Home / 67,489.77-93,147.30-39,211.86

Finding the Fourth Proportional to 67,489.77, 93,147.30 and 39,211.86

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Solution

The fourth proportional to 67,489.77, 93,147.30 and 39,211.86 is: 54,119.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.77 : 93,147.30 = 39,211.86 : x
  2. Step 2: Convert to fraction form
    67,489.77/93,147.30 = 39,211.86/x
  3. Step 3: Cross multiply
    67,489.77x = 93,147.30 × 39,211.86
  4. Step 4: Simplify right side
    67,489.77x = 3,652,478,886.98
  5. Step 5: Solve for x
    x = 3,652,478,886.98/67,489.77
  6. Step 6: Final answer
    x = 54,119.00

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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.