Home / 39,149.12-58,708.60-14,181.76

Finding the Fourth Proportional to 39,149.12, 58,708.60 and 14,181.76

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Solution

The fourth proportional to 39,149.12, 58,708.60 and 14,181.76 is: 21,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.12 : 58,708.60 = 14,181.76 : x
  2. Step 2: Convert to fraction form
    39,149.12/58,708.60 = 14,181.76/x
  3. Step 3: Cross multiply
    39,149.12x = 58,708.60 × 14,181.76
  4. Step 4: Simplify right side
    39,149.12x = 832,591,275.14
  5. Step 5: Solve for x
    x = 832,591,275.14/39,149.12
  6. Step 6: Final answer
    x = 21,267.18

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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.