Home / 34,082.76-51,121.20-20,752.32

Finding the Fourth Proportional to 34,082.76, 51,121.20 and 20,752.32

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Solution

The fourth proportional to 34,082.76, 51,121.20 and 20,752.32 is: 31,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,082.76 : 51,121.20 = 20,752.32 : x
  2. Step 2: Convert to fraction form
    34,082.76/51,121.20 = 20,752.32/x
  3. Step 3: Cross multiply
    34,082.76x = 51,121.20 × 20,752.32
  4. Step 4: Simplify right side
    34,082.76x = 1,060,883,501.18
  5. Step 5: Solve for x
    x = 1,060,883,501.18/34,082.76
  6. Step 6: Final answer
    x = 31,126.69

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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.