Home / 31,859.78-43,966.26-17,712.50

Finding the Fourth Proportional to 31,859.78, 43,966.26 and 17,712.50

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Solution

The fourth proportional to 31,859.78, 43,966.26 and 17,712.50 is: 24,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,859.78 : 43,966.26 = 17,712.50 : x
  2. Step 2: Convert to fraction form
    31,859.78/43,966.26 = 17,712.50/x
  3. Step 3: Cross multiply
    31,859.78x = 43,966.26 × 17,712.50
  4. Step 4: Simplify right side
    31,859.78x = 778,752,380.25
  5. Step 5: Solve for x
    x = 778,752,380.25/31,859.78
  6. Step 6: Final answer
    x = 24,443.12

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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.