Home / 56,101.28-84,149.04-16,658.72

Finding the Fourth Proportional to 56,101.28, 84,149.04 and 16,658.72

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Solution

The fourth proportional to 56,101.28, 84,149.04 and 16,658.72 is: 24,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.28 : 84,149.04 = 16,658.72 : x
  2. Step 2: Convert to fraction form
    56,101.28/84,149.04 = 16,658.72/x
  3. Step 3: Cross multiply
    56,101.28x = 84,149.04 × 16,658.72
  4. Step 4: Simplify right side
    56,101.28x = 1,401,815,295.63
  5. Step 5: Solve for x
    x = 1,401,815,295.63/56,101.28
  6. Step 6: Final answer
    x = 24,987.22

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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.