Home / 31,322.60-43,224.96-17,175.20

Finding the Fourth Proportional to 31,322.60, 43,224.96 and 17,175.20

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Solution

The fourth proportional to 31,322.60, 43,224.96 and 17,175.20 is: 23,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322.60 : 43,224.96 = 17,175.20 : x
  2. Step 2: Convert to fraction form
    31,322.60/43,224.96 = 17,175.20/x
  3. Step 3: Cross multiply
    31,322.60x = 43,224.96 × 17,175.20
  4. Step 4: Simplify right side
    31,322.60x = 742,397,332.99
  5. Step 5: Solve for x
    x = 742,397,332.99/31,322.60
  6. Step 6: Final answer
    x = 23,701.65

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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.