Home / 31,859.30-43,966.95-17,520.22

Finding the Fourth Proportional to 31,859.30, 43,966.95 and 17,520.22

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Solution

The fourth proportional to 31,859.30, 43,966.95 and 17,520.22 is: 24,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,859.30 : 43,966.95 = 17,520.22 : x
  2. Step 2: Convert to fraction form
    31,859.30/43,966.95 = 17,520.22/x
  3. Step 3: Cross multiply
    31,859.30x = 43,966.95 × 17,520.22
  4. Step 4: Simplify right side
    31,859.30x = 770,310,416.89
  5. Step 5: Solve for x
    x = 770,310,416.89/31,859.30
  6. Step 6: Final answer
    x = 24,178.51

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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.