Home / 39,915.56-55,082.42-22,010.26

Finding the Fourth Proportional to 39,915.56, 55,082.42 and 22,010.26

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Solution

The fourth proportional to 39,915.56, 55,082.42 and 22,010.26 is: 30,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.56 : 55,082.42 = 22,010.26 : x
  2. Step 2: Convert to fraction form
    39,915.56/55,082.42 = 22,010.26/x
  3. Step 3: Cross multiply
    39,915.56x = 55,082.42 × 22,010.26
  4. Step 4: Simplify right side
    39,915.56x = 1,212,378,385.63
  5. Step 5: Solve for x
    x = 1,212,378,385.63/39,915.56
  6. Step 6: Final answer
    x = 30,373.58

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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.