Home / 39,279.19-54,195.82-23,147.16

Finding the Fourth Proportional to 39,279.19, 54,195.82 and 23,147.16

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Solution

The fourth proportional to 39,279.19, 54,195.82 and 23,147.16 is: 31,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.19 : 54,195.82 = 23,147.16 : x
  2. Step 2: Convert to fraction form
    39,279.19/54,195.82 = 23,147.16/x
  3. Step 3: Cross multiply
    39,279.19x = 54,195.82 × 23,147.16
  4. Step 4: Simplify right side
    39,279.19x = 1,254,479,316.87
  5. Step 5: Solve for x
    x = 1,254,479,316.87/39,279.19
  6. Step 6: Final answer
    x = 31,937.50

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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.