Home / 45,113.32-67,678.62-15,524.20

Finding the Fourth Proportional to 45,113.32, 67,678.62 and 15,524.20

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Solution

The fourth proportional to 45,113.32, 67,678.62 and 15,524.20 is: 23,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,113.32 : 67,678.62 = 15,524.20 : x
  2. Step 2: Convert to fraction form
    45,113.32/67,678.62 = 15,524.20/x
  3. Step 3: Cross multiply
    45,113.32x = 67,678.62 × 15,524.20
  4. Step 4: Simplify right side
    45,113.32x = 1,050,656,432.60
  5. Step 5: Solve for x
    x = 1,050,656,432.60/45,113.32
  6. Step 6: Final answer
    x = 23,289.27

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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.