Home / 39,429.19-54,412.23-25,282

Finding the Fourth Proportional to 39,429.19, 54,412.23 and 25,282

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Solution

The fourth proportional to 39,429.19, 54,412.23 and 25,282 is: 34,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.19 : 54,412.23 = 25,282 : x
  2. Step 2: Convert to fraction form
    39,429.19/54,412.23 = 25,282/x
  3. Step 3: Cross multiply
    39,429.19x = 54,412.23 × 25,282
  4. Step 4: Simplify right side
    39,429.19x = 1,375,649,998.86
  5. Step 5: Solve for x
    x = 1,375,649,998.86/39,429.19
  6. Step 6: Final answer
    x = 34,889.13

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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.