Home / 45,114.32-67,680.12-15,525.20

Finding the Fourth Proportional to 45,114.32, 67,680.12 and 15,525.20

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Solution

The fourth proportional to 45,114.32, 67,680.12 and 15,525.20 is: 23,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,114.32 : 67,680.12 = 15,525.20 : x
  2. Step 2: Convert to fraction form
    45,114.32/67,680.12 = 15,525.20/x
  3. Step 3: Cross multiply
    45,114.32x = 67,680.12 × 15,525.20
  4. Step 4: Simplify right side
    45,114.32x = 1,050,747,399.02
  5. Step 5: Solve for x
    x = 1,050,747,399.02/45,114.32
  6. Step 6: Final answer
    x = 23,290.77

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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.