Home / 67,749.76-93,498.15-40,891.90

Finding the Fourth Proportional to 67,749.76, 93,498.15 and 40,891.90

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Solution

The fourth proportional to 67,749.76, 93,498.15 and 40,891.90 is: 56,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,749.76 : 93,498.15 = 40,891.90 : x
  2. Step 2: Convert to fraction form
    67,749.76/93,498.15 = 40,891.90/x
  3. Step 3: Cross multiply
    67,749.76x = 93,498.15 × 40,891.90
  4. Step 4: Simplify right side
    67,749.76x = 3,823,316,999.99
  5. Step 5: Solve for x
    x = 3,823,316,999.99/67,749.76
  6. Step 6: Final answer
    x = 56,432.92

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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.