Home / 31,991.10-48,010.65-16,400.70

Finding the Fourth Proportional to 31,991.10, 48,010.65 and 16,400.70

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Solution

The fourth proportional to 31,991.10, 48,010.65 and 16,400.70 is: 24,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991.10 : 48,010.65 = 16,400.70 : x
  2. Step 2: Convert to fraction form
    31,991.10/48,010.65 = 16,400.70/x
  3. Step 3: Cross multiply
    31,991.10x = 48,010.65 × 16,400.70
  4. Step 4: Simplify right side
    31,991.10x = 787,408,267.46
  5. Step 5: Solve for x
    x = 787,408,267.46/31,991.10
  6. Step 6: Final answer
    x = 24,613.35

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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.