Home / 31,812.75-43,901.73-17,666.64

Finding the Fourth Proportional to 31,812.75, 43,901.73 and 17,666.64

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Solution

The fourth proportional to 31,812.75, 43,901.73 and 17,666.64 is: 24,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.75 : 43,901.73 = 17,666.64 : x
  2. Step 2: Convert to fraction form
    31,812.75/43,901.73 = 17,666.64/x
  3. Step 3: Cross multiply
    31,812.75x = 43,901.73 × 17,666.64
  4. Step 4: Simplify right side
    31,812.75x = 775,596,059.29
  5. Step 5: Solve for x
    x = 775,596,059.29/31,812.75
  6. Step 6: Final answer
    x = 24,380.04

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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.