Home / 31,250.72-43,125.96-17,637.86

Finding the Fourth Proportional to 31,250.72, 43,125.96 and 17,637.86

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Solution

The fourth proportional to 31,250.72, 43,125.96 and 17,637.86 is: 24,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.72 : 43,125.96 = 17,637.86 : x
  2. Step 2: Convert to fraction form
    31,250.72/43,125.96 = 17,637.86/x
  3. Step 3: Cross multiply
    31,250.72x = 43,125.96 × 17,637.86
  4. Step 4: Simplify right side
    31,250.72x = 760,649,644.85
  5. Step 5: Solve for x
    x = 760,649,644.85/31,250.72
  6. Step 6: Final answer
    x = 24,340.23

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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.