Home / 31,567.71-43,563.65-17,228.55

Finding the Fourth Proportional to 31,567.71, 43,563.65 and 17,228.55

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Solution

The fourth proportional to 31,567.71, 43,563.65 and 17,228.55 is: 23,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.71 : 43,563.65 = 17,228.55 : x
  2. Step 2: Convert to fraction form
    31,567.71/43,563.65 = 17,228.55/x
  3. Step 3: Cross multiply
    31,567.71x = 43,563.65 × 17,228.55
  4. Step 4: Simplify right side
    31,567.71x = 750,538,436.06
  5. Step 5: Solve for x
    x = 750,538,436.06/31,567.71
  6. Step 6: Final answer
    x = 23,775.51

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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.