Home / 52,111.28-71,912.22-29,450.18

Finding the Fourth Proportional to 52,111.28, 71,912.22 and 29,450.18

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Solution

The fourth proportional to 52,111.28, 71,912.22 and 29,450.18 is: 40,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111.28 : 71,912.22 = 29,450.18 : x
  2. Step 2: Convert to fraction form
    52,111.28/71,912.22 = 29,450.18/x
  3. Step 3: Cross multiply
    52,111.28x = 71,912.22 × 29,450.18
  4. Step 4: Simplify right side
    52,111.28x = 2,117,827,823.20
  5. Step 5: Solve for x
    x = 2,117,827,823.20/52,111.28
  6. Step 6: Final answer
    x = 40,640.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.