Home / 31,389.01-43,314.91-17,241.85

Finding the Fourth Proportional to 31,389.01, 43,314.91 and 17,241.85

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Solution

The fourth proportional to 31,389.01, 43,314.91 and 17,241.85 is: 23,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389.01 : 43,314.91 = 17,241.85 : x
  2. Step 2: Convert to fraction form
    31,389.01/43,314.91 = 17,241.85/x
  3. Step 3: Cross multiply
    31,389.01x = 43,314.91 × 17,241.85
  4. Step 4: Simplify right side
    31,389.01x = 746,829,180.98
  5. Step 5: Solve for x
    x = 746,829,180.98/31,389.01
  6. Step 6: Final answer
    x = 23,792.70

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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.