Home / 31,335.60-43,240.38-17,904.18

Finding the Fourth Proportional to 31,335.60, 43,240.38 and 17,904.18

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Solution

The fourth proportional to 31,335.60, 43,240.38 and 17,904.18 is: 24,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.60 : 43,240.38 = 17,904.18 : x
  2. Step 2: Convert to fraction form
    31,335.60/43,240.38 = 17,904.18/x
  3. Step 3: Cross multiply
    31,335.60x = 43,240.38 × 17,904.18
  4. Step 4: Simplify right side
    31,335.60x = 774,183,546.79
  5. Step 5: Solve for x
    x = 774,183,546.79/31,335.60
  6. Step 6: Final answer
    x = 24,706.20

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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.