Home / 31,660.22-43,688.10-17,512.76

Finding the Fourth Proportional to 31,660.22, 43,688.10 and 17,512.76

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Solution

The fourth proportional to 31,660.22, 43,688.10 and 17,512.76 is: 24,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.22 : 43,688.10 = 17,512.76 : x
  2. Step 2: Convert to fraction form
    31,660.22/43,688.10 = 17,512.76/x
  3. Step 3: Cross multiply
    31,660.22x = 43,688.10 × 17,512.76
  4. Step 4: Simplify right side
    31,660.22x = 765,099,210.16
  5. Step 5: Solve for x
    x = 765,099,210.16/31,660.22
  6. Step 6: Final answer
    x = 24,165.95

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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.