Home / 19,751.40-29,474.22-17,648.55

Finding the Fourth Proportional to 19,751.40, 29,474.22 and 17,648.55

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Solution

The fourth proportional to 19,751.40, 29,474.22 and 17,648.55 is: 26,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,751.40 : 29,474.22 = 17,648.55 : x
  2. Step 2: Convert to fraction form
    19,751.40/29,474.22 = 17,648.55/x
  3. Step 3: Cross multiply
    19,751.40x = 29,474.22 × 17,648.55
  4. Step 4: Simplify right side
    19,751.40x = 520,177,245.38
  5. Step 5: Solve for x
    x = 520,177,245.38/19,751.40
  6. Step 6: Final answer
    x = 26,336.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.