Home / 42,517.44-63,752.16-20,336.16

Finding the Fourth Proportional to 42,517.44, 63,752.16 and 20,336.16

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Solution

The fourth proportional to 42,517.44, 63,752.16 and 20,336.16 is: 30,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,517.44 : 63,752.16 = 20,336.16 : x
  2. Step 2: Convert to fraction form
    42,517.44/63,752.16 = 20,336.16/x
  3. Step 3: Cross multiply
    42,517.44x = 63,752.16 × 20,336.16
  4. Step 4: Simplify right side
    42,517.44x = 1,296,474,126.11
  5. Step 5: Solve for x
    x = 1,296,474,126.11/42,517.44
  6. Step 6: Final answer
    x = 30,492.76

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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.