Home / 31,619.20-43,630.50-17,472.10

Finding the Fourth Proportional to 31,619.20, 43,630.50 and 17,472.10

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Solution

The fourth proportional to 31,619.20, 43,630.50 and 17,472.10 is: 24,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.20 : 43,630.50 = 17,472.10 : x
  2. Step 2: Convert to fraction form
    31,619.20/43,630.50 = 17,472.10/x
  3. Step 3: Cross multiply
    31,619.20x = 43,630.50 × 17,472.10
  4. Step 4: Simplify right side
    31,619.20x = 762,316,459.05
  5. Step 5: Solve for x
    x = 762,316,459.05/31,619.20
  6. Step 6: Final answer
    x = 24,109.29

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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.