Home / 31,221.46-43,085.73-17,074.30

Finding the Fourth Proportional to 31,221.46, 43,085.73 and 17,074.30

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Solution

The fourth proportional to 31,221.46, 43,085.73 and 17,074.30 is: 23,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.46 : 43,085.73 = 17,074.30 : x
  2. Step 2: Convert to fraction form
    31,221.46/43,085.73 = 17,074.30/x
  3. Step 3: Cross multiply
    31,221.46x = 43,085.73 × 17,074.30
  4. Step 4: Simplify right side
    31,221.46x = 735,658,679.74
  5. Step 5: Solve for x
    x = 735,658,679.74/31,221.46
  6. Step 6: Final answer
    x = 23,562.60

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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.