Home / 39,408.85-59,017.15-20,704.56

Finding the Fourth Proportional to 39,408.85, 59,017.15 and 20,704.56

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Solution

The fourth proportional to 39,408.85, 59,017.15 and 20,704.56 is: 31,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.85 : 59,017.15 = 20,704.56 : x
  2. Step 2: Convert to fraction form
    39,408.85/59,017.15 = 20,704.56/x
  3. Step 3: Cross multiply
    39,408.85x = 59,017.15 × 20,704.56
  4. Step 4: Simplify right side
    39,408.85x = 1,221,924,123.20
  5. Step 5: Solve for x
    x = 1,221,924,123.20/39,408.85
  6. Step 6: Final answer
    x = 31,006.34

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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.