Home / 38,079.40-57,119.10-25,637.80

Finding the Fourth Proportional to 38,079.40, 57,119.10 and 25,637.80

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Solution

The fourth proportional to 38,079.40, 57,119.10 and 25,637.80 is: 38,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.40 : 57,119.10 = 25,637.80 : x
  2. Step 2: Convert to fraction form
    38,079.40/57,119.10 = 25,637.80/x
  3. Step 3: Cross multiply
    38,079.40x = 57,119.10 × 25,637.80
  4. Step 4: Simplify right side
    38,079.40x = 1,464,408,061.98
  5. Step 5: Solve for x
    x = 1,464,408,061.98/38,079.40
  6. Step 6: Final answer
    x = 38,456.70

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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.