Home / 31,384.16-43,299.60-17,770.34

Finding the Fourth Proportional to 31,384.16, 43,299.60 and 17,770.34

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Solution

The fourth proportional to 31,384.16, 43,299.60 and 17,770.34 is: 24,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.16 : 43,299.60 = 17,770.34 : x
  2. Step 2: Convert to fraction form
    31,384.16/43,299.60 = 17,770.34/x
  3. Step 3: Cross multiply
    31,384.16x = 43,299.60 × 17,770.34
  4. Step 4: Simplify right side
    31,384.16x = 769,448,613.86
  5. Step 5: Solve for x
    x = 769,448,613.86/31,384.16
  6. Step 6: Final answer
    x = 24,517.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.