Home / 31,165.71-42,993.74-22,654.64

Finding the Fourth Proportional to 31,165.71, 42,993.74 and 22,654.64

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Solution

The fourth proportional to 31,165.71, 42,993.74 and 22,654.64 is: 31,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.71 : 42,993.74 = 22,654.64 : x
  2. Step 2: Convert to fraction form
    31,165.71/42,993.74 = 22,654.64/x
  3. Step 3: Cross multiply
    31,165.71x = 42,993.74 × 22,654.64
  4. Step 4: Simplify right side
    31,165.71x = 974,007,701.95
  5. Step 5: Solve for x
    x = 974,007,701.95/31,165.71
  6. Step 6: Final answer
    x = 31,252.54

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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.