Home / 40,638.30-61,262.03-37,928.85

Finding the Fourth Proportional to 40,638.30, 61,262.03 and 37,928.85

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Solution

The fourth proportional to 40,638.30, 61,262.03 and 37,928.85 is: 57,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.30 : 61,262.03 = 37,928.85 : x
  2. Step 2: Convert to fraction form
    40,638.30/61,262.03 = 37,928.85/x
  3. Step 3: Cross multiply
    40,638.30x = 61,262.03 × 37,928.85
  4. Step 4: Simplify right side
    40,638.30x = 2,323,598,346.57
  5. Step 5: Solve for x
    x = 2,323,598,346.57/40,638.30
  6. Step 6: Final answer
    x = 57,177.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.