Home / 31,640.04-43,662.96-17,492.76

Finding the Fourth Proportional to 31,640.04, 43,662.96 and 17,492.76

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Solution

The fourth proportional to 31,640.04, 43,662.96 and 17,492.76 is: 24,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.04 : 43,662.96 = 17,492.76 : x
  2. Step 2: Convert to fraction form
    31,640.04/43,662.96 = 17,492.76/x
  3. Step 3: Cross multiply
    31,640.04x = 43,662.96 × 17,492.76
  4. Step 4: Simplify right side
    31,640.04x = 763,785,680.17
  5. Step 5: Solve for x
    x = 763,785,680.17/31,640.04
  6. Step 6: Final answer
    x = 24,139.85

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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.