Home / 31,624.80-43,641.60-17,478.24

Finding the Fourth Proportional to 31,624.80, 43,641.60 and 17,478.24

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Solution

The fourth proportional to 31,624.80, 43,641.60 and 17,478.24 is: 24,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.80 : 43,641.60 = 17,478.24 : x
  2. Step 2: Convert to fraction form
    31,624.80/43,641.60 = 17,478.24/x
  3. Step 3: Cross multiply
    31,624.80x = 43,641.60 × 17,478.24
  4. Step 4: Simplify right side
    31,624.80x = 762,778,358.78
  5. Step 5: Solve for x
    x = 762,778,358.78/31,624.80
  6. Step 6: Final answer
    x = 24,119.63

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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.