Home / 40,069.92-60,108.12-13,774.68

Finding the Fourth Proportional to 40,069.92, 60,108.12 and 13,774.68

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Solution

The fourth proportional to 40,069.92, 60,108.12 and 13,774.68 is: 20,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,069.92 : 60,108.12 = 13,774.68 : x
  2. Step 2: Convert to fraction form
    40,069.92/60,108.12 = 13,774.68/x
  3. Step 3: Cross multiply
    40,069.92x = 60,108.12 × 13,774.68
  4. Step 4: Simplify right side
    40,069.92x = 827,970,118.40
  5. Step 5: Solve for x
    x = 827,970,118.40/40,069.92
  6. Step 6: Final answer
    x = 20,663.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.