Home / 39,238.18-54,157.29-25,810.76

Finding the Fourth Proportional to 39,238.18, 54,157.29 and 25,810.76

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Solution

The fourth proportional to 39,238.18, 54,157.29 and 25,810.76 is: 35,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.18 : 54,157.29 = 25,810.76 : x
  2. Step 2: Convert to fraction form
    39,238.18/54,157.29 = 25,810.76/x
  3. Step 3: Cross multiply
    39,238.18x = 54,157.29 × 25,810.76
  4. Step 4: Simplify right side
    39,238.18x = 1,397,840,998.23
  5. Step 5: Solve for x
    x = 1,397,840,998.23/39,238.18
  6. Step 6: Final answer
    x = 35,624.51

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Double scale
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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.