Home / 38,734.20-58,101.30-30,277.80

Finding the Fourth Proportional to 38,734.20, 58,101.30 and 30,277.80

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Solution

The fourth proportional to 38,734.20, 58,101.30 and 30,277.80 is: 45,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.20 : 58,101.30 = 30,277.80 : x
  2. Step 2: Convert to fraction form
    38,734.20/58,101.30 = 30,277.80/x
  3. Step 3: Cross multiply
    38,734.20x = 58,101.30 × 30,277.80
  4. Step 4: Simplify right side
    38,734.20x = 1,759,179,541.14
  5. Step 5: Solve for x
    x = 1,759,179,541.14/38,734.20
  6. Step 6: Final answer
    x = 45,416.70

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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.