Home / 39,151.12-58,711.60-14,183.76

Finding the Fourth Proportional to 39,151.12, 58,711.60 and 14,183.76

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Solution

The fourth proportional to 39,151.12, 58,711.60 and 14,183.76 is: 21,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.12 : 58,711.60 = 14,183.76 : x
  2. Step 2: Convert to fraction form
    39,151.12/58,711.60 = 14,183.76/x
  3. Step 3: Cross multiply
    39,151.12x = 58,711.60 × 14,183.76
  4. Step 4: Simplify right side
    39,151.12x = 832,751,243.62
  5. Step 5: Solve for x
    x = 832,751,243.62/39,151.12
  6. Step 6: Final answer
    x = 21,270.18

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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.