Home / 31,356.68-43,272.24-17,210.32

Finding the Fourth Proportional to 31,356.68, 43,272.24 and 17,210.32

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Solution

The fourth proportional to 31,356.68, 43,272.24 and 17,210.32 is: 23,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.68 : 43,272.24 = 17,210.32 : x
  2. Step 2: Convert to fraction form
    31,356.68/43,272.24 = 17,210.32/x
  3. Step 3: Cross multiply
    31,356.68x = 43,272.24 × 17,210.32
  4. Step 4: Simplify right side
    31,356.68x = 744,729,097.52
  5. Step 5: Solve for x
    x = 744,729,097.52/31,356.68
  6. Step 6: Final answer
    x = 23,750.25

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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.