Home / 31,400.64-43,332.39-17,253.18

Finding the Fourth Proportional to 31,400.64, 43,332.39 and 17,253.18

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Solution

The fourth proportional to 31,400.64, 43,332.39 and 17,253.18 is: 23,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.64 : 43,332.39 = 17,253.18 : x
  2. Step 2: Convert to fraction form
    31,400.64/43,332.39 = 17,253.18/x
  3. Step 3: Cross multiply
    31,400.64x = 43,332.39 × 17,253.18
  4. Step 4: Simplify right side
    31,400.64x = 747,621,524.50
  5. Step 5: Solve for x
    x = 747,621,524.50/31,400.64
  6. Step 6: Final answer
    x = 23,809.12

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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.