Home / 45,119.76-67,678.23-21,444.35

Finding the Fourth Proportional to 45,119.76, 67,678.23 and 21,444.35

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Solution

The fourth proportional to 45,119.76, 67,678.23 and 21,444.35 is: 32,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.76 : 67,678.23 = 21,444.35 : x
  2. Step 2: Convert to fraction form
    45,119.76/67,678.23 = 21,444.35/x
  3. Step 3: Cross multiply
    45,119.76x = 67,678.23 × 21,444.35
  4. Step 4: Simplify right side
    45,119.76x = 1,451,315,651.50
  5. Step 5: Solve for x
    x = 1,451,315,651.50/45,119.76
  6. Step 6: Final answer
    x = 32,165.85

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Similar ratio
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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.