Home / 31,697.16-43,741.80-17,549.88

Finding the Fourth Proportional to 31,697.16, 43,741.80 and 17,549.88

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Solution

The fourth proportional to 31,697.16, 43,741.80 and 17,549.88 is: 24,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.16 : 43,741.80 = 17,549.88 : x
  2. Step 2: Convert to fraction form
    31,697.16/43,741.80 = 17,549.88/x
  3. Step 3: Cross multiply
    31,697.16x = 43,741.80 × 17,549.88
  4. Step 4: Simplify right side
    31,697.16x = 767,663,340.98
  5. Step 5: Solve for x
    x = 767,663,340.98/31,697.16
  6. Step 6: Final answer
    x = 24,218.68

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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.