Home / 45,112.32-67,677.12-15,523.20

Finding the Fourth Proportional to 45,112.32, 67,677.12 and 15,523.20

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Solution

The fourth proportional to 45,112.32, 67,677.12 and 15,523.20 is: 23,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,112.32 : 67,677.12 = 15,523.20 : x
  2. Step 2: Convert to fraction form
    45,112.32/67,677.12 = 15,523.20/x
  3. Step 3: Cross multiply
    45,112.32x = 67,677.12 × 15,523.20
  4. Step 4: Simplify right side
    45,112.32x = 1,050,565,469.18
  5. Step 5: Solve for x
    x = 1,050,565,469.18/45,112.32
  6. Step 6: Final answer
    x = 23,287.77

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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.