Home / 38,679.75-53,397.50-36,346.95

Finding the Fourth Proportional to 38,679.75, 53,397.50 and 36,346.95

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Solution

The fourth proportional to 38,679.75, 53,397.50 and 36,346.95 is: 50,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.75 : 53,397.50 = 36,346.95 : x
  2. Step 2: Convert to fraction form
    38,679.75/53,397.50 = 36,346.95/x
  3. Step 3: Cross multiply
    38,679.75x = 53,397.50 × 36,346.95
  4. Step 4: Simplify right side
    38,679.75x = 1,940,836,080.89
  5. Step 5: Solve for x
    x = 1,940,836,080.89/38,679.75
  6. Step 6: Final answer
    x = 50,177.06

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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.