Home / 31,200.39-43,057.17-17,054.15

Finding the Fourth Proportional to 31,200.39, 43,057.17 and 17,054.15

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Solution

The fourth proportional to 31,200.39, 43,057.17 and 17,054.15 is: 23,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.39 : 43,057.17 = 17,054.15 : x
  2. Step 2: Convert to fraction form
    31,200.39/43,057.17 = 17,054.15/x
  3. Step 3: Cross multiply
    31,200.39x = 43,057.17 × 17,054.15
  4. Step 4: Simplify right side
    31,200.39x = 734,303,220.47
  5. Step 5: Solve for x
    x = 734,303,220.47/31,200.39
  6. Step 6: Final answer
    x = 23,535.07

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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.