Home / 31,812.16-43,901.04-17,665.24

Finding the Fourth Proportional to 31,812.16, 43,901.04 and 17,665.24

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Solution

The fourth proportional to 31,812.16, 43,901.04 and 17,665.24 is: 24,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.16 : 43,901.04 = 17,665.24 : x
  2. Step 2: Convert to fraction form
    31,812.16/43,901.04 = 17,665.24/x
  3. Step 3: Cross multiply
    31,812.16x = 43,901.04 × 17,665.24
  4. Step 4: Simplify right side
    31,812.16x = 775,522,407.85
  5. Step 5: Solve for x
    x = 775,522,407.85/31,812.16
  6. Step 6: Final answer
    x = 24,378.18

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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.