Home / 31,392.26-43,319.70-17,242.40

Finding the Fourth Proportional to 31,392.26, 43,319.70 and 17,242.40

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Solution

The fourth proportional to 31,392.26, 43,319.70 and 17,242.40 is: 23,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.26 : 43,319.70 = 17,242.40 : x
  2. Step 2: Convert to fraction form
    31,392.26/43,319.70 = 17,242.40/x
  3. Step 3: Cross multiply
    31,392.26x = 43,319.70 × 17,242.40
  4. Step 4: Simplify right side
    31,392.26x = 746,935,595.28
  5. Step 5: Solve for x
    x = 746,935,595.28/31,392.26
  6. Step 6: Final answer
    x = 23,793.62

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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.