Home / 39,287.82-54,235.74-25,148.87

Finding the Fourth Proportional to 39,287.82, 54,235.74 and 25,148.87

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Solution

The fourth proportional to 39,287.82, 54,235.74 and 25,148.87 is: 34,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.82 : 54,235.74 = 25,148.87 : x
  2. Step 2: Convert to fraction form
    39,287.82/54,235.74 = 25,148.87/x
  3. Step 3: Cross multiply
    39,287.82x = 54,235.74 × 25,148.87
  4. Step 4: Simplify right side
    39,287.82x = 1,363,967,574.61
  5. Step 5: Solve for x
    x = 1,363,967,574.61/39,287.82
  6. Step 6: Final answer
    x = 34,717.31

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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.