Home / 39,152.75-58,729.26-11,450.75

Finding the Fourth Proportional to 39,152.75, 58,729.26 and 11,450.75

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Solution

The fourth proportional to 39,152.75, 58,729.26 and 11,450.75 is: 17,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,152.75 : 58,729.26 = 11,450.75 : x
  2. Step 2: Convert to fraction form
    39,152.75/58,729.26 = 11,450.75/x
  3. Step 3: Cross multiply
    39,152.75x = 58,729.26 × 11,450.75
  4. Step 4: Simplify right side
    39,152.75x = 672,494,073.95
  5. Step 5: Solve for x
    x = 672,494,073.95/39,152.75
  6. Step 6: Final answer
    x = 17,176.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.