Home / 31,707.10-43,755.78-17,559.93

Finding the Fourth Proportional to 31,707.10, 43,755.78 and 17,559.93

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Solution

The fourth proportional to 31,707.10, 43,755.78 and 17,559.93 is: 24,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.10 : 43,755.78 = 17,559.93 : x
  2. Step 2: Convert to fraction form
    31,707.10/43,755.78 = 17,559.93/x
  3. Step 3: Cross multiply
    31,707.10x = 43,755.78 × 17,559.93
  4. Step 4: Simplify right side
    31,707.10x = 768,348,433.90
  5. Step 5: Solve for x
    x = 768,348,433.90/31,707.10
  6. Step 6: Final answer
    x = 24,232.69

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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.