Home / 31,551.06-43,540.50-17,403.90

Finding the Fourth Proportional to 31,551.06, 43,540.50 and 17,403.90

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Solution

The fourth proportional to 31,551.06, 43,540.50 and 17,403.90 is: 24,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551.06 : 43,540.50 = 17,403.90 : x
  2. Step 2: Convert to fraction form
    31,551.06/43,540.50 = 17,403.90/x
  3. Step 3: Cross multiply
    31,551.06x = 43,540.50 × 17,403.90
  4. Step 4: Simplify right side
    31,551.06x = 757,774,507.95
  5. Step 5: Solve for x
    x = 757,774,507.95/31,551.06
  6. Step 6: Final answer
    x = 24,017.40

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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.