Home / 31,275.47-43,197.81-22,763.94

Finding the Fourth Proportional to 31,275.47, 43,197.81 and 22,763.94

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Solution

The fourth proportional to 31,275.47, 43,197.81 and 22,763.94 is: 31,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.47 : 43,197.81 = 22,763.94 : x
  2. Step 2: Convert to fraction form
    31,275.47/43,197.81 = 22,763.94/x
  3. Step 3: Cross multiply
    31,275.47x = 43,197.81 × 22,763.94
  4. Step 4: Simplify right side
    31,275.47x = 983,352,107.61
  5. Step 5: Solve for x
    x = 983,352,107.61/31,275.47
  6. Step 6: Final answer
    x = 31,441.64

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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.