Home / 31,369.12-43,283.80-17,757.10

Finding the Fourth Proportional to 31,369.12, 43,283.80 and 17,757.10

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Solution

The fourth proportional to 31,369.12, 43,283.80 and 17,757.10 is: 24,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.12 : 43,283.80 = 17,757.10 : x
  2. Step 2: Convert to fraction form
    31,369.12/43,283.80 = 17,757.10/x
  3. Step 3: Cross multiply
    31,369.12x = 43,283.80 × 17,757.10
  4. Step 4: Simplify right side
    31,369.12x = 768,594,764.98
  5. Step 5: Solve for x
    x = 768,594,764.98/31,369.12
  6. Step 6: Final answer
    x = 24,501.64

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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.