Home / 31,751.28-43,816.36-17,604.40

Finding the Fourth Proportional to 31,751.28, 43,816.36 and 17,604.40

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Solution

The fourth proportional to 31,751.28, 43,816.36 and 17,604.40 is: 24,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.28 : 43,816.36 = 17,604.40 : x
  2. Step 2: Convert to fraction form
    31,751.28/43,816.36 = 17,604.40/x
  3. Step 3: Cross multiply
    31,751.28x = 43,816.36 × 17,604.40
  4. Step 4: Simplify right side
    31,751.28x = 771,360,727.98
  5. Step 5: Solve for x
    x = 771,360,727.98/31,751.28
  6. Step 6: Final answer
    x = 24,293.85

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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.