Home / 31,506.84-43,474.92-18,078.72

Finding the Fourth Proportional to 31,506.84, 43,474.92 and 18,078.72

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Solution

The fourth proportional to 31,506.84, 43,474.92 and 18,078.72 is: 24,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.84 : 43,474.92 = 18,078.72 : x
  2. Step 2: Convert to fraction form
    31,506.84/43,474.92 = 18,078.72/x
  3. Step 3: Cross multiply
    31,506.84x = 43,474.92 × 18,078.72
  4. Step 4: Simplify right side
    31,506.84x = 785,970,905.70
  5. Step 5: Solve for x
    x = 785,970,905.70/31,506.84
  6. Step 6: Final answer
    x = 24,946.04

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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.