Home / 41,217.76-61,825.48-13,139.50

Finding the Fourth Proportional to 41,217.76, 61,825.48 and 13,139.50

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Solution

The fourth proportional to 41,217.76, 61,825.48 and 13,139.50 is: 19,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,217.76 : 61,825.48 = 13,139.50 : x
  2. Step 2: Convert to fraction form
    41,217.76/61,825.48 = 13,139.50/x
  3. Step 3: Cross multiply
    41,217.76x = 61,825.48 × 13,139.50
  4. Step 4: Simplify right side
    41,217.76x = 812,355,894.46
  5. Step 5: Solve for x
    x = 812,355,894.46/41,217.76
  6. Step 6: Final answer
    x = 19,708.88

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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.