Home / 31,247.48-43,122.66-17,816.56

Finding the Fourth Proportional to 31,247.48, 43,122.66 and 17,816.56

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Solution

The fourth proportional to 31,247.48, 43,122.66 and 17,816.56 is: 24,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.48 : 43,122.66 = 17,816.56 : x
  2. Step 2: Convert to fraction form
    31,247.48/43,122.66 = 17,816.56/x
  3. Step 3: Cross multiply
    31,247.48x = 43,122.66 × 17,816.56
  4. Step 4: Simplify right side
    31,247.48x = 768,297,459.25
  5. Step 5: Solve for x
    x = 768,297,459.25/31,247.48
  6. Step 6: Final answer
    x = 24,587.50

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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.