Home / 38,122.03-57,165.27-20,347.89

Finding the Fourth Proportional to 38,122.03, 57,165.27 and 20,347.89

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Solution

The fourth proportional to 38,122.03, 57,165.27 and 20,347.89 is: 30,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122.03 : 57,165.27 = 20,347.89 : x
  2. Step 2: Convert to fraction form
    38,122.03/57,165.27 = 20,347.89/x
  3. Step 3: Cross multiply
    38,122.03x = 57,165.27 × 20,347.89
  4. Step 4: Simplify right side
    38,122.03x = 1,163,192,625.78
  5. Step 5: Solve for x
    x = 1,163,192,625.78/38,122.03
  6. Step 6: Final answer
    x = 30,512.35

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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.