Home / 40,291.26-60,436.91-12,589.26

Finding the Fourth Proportional to 40,291.26, 60,436.91 and 12,589.26

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Solution

The fourth proportional to 40,291.26, 60,436.91 and 12,589.26 is: 18,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.26 : 60,436.91 = 12,589.26 : x
  2. Step 2: Convert to fraction form
    40,291.26/60,436.91 = 12,589.26/x
  3. Step 3: Cross multiply
    40,291.26x = 60,436.91 × 12,589.26
  4. Step 4: Simplify right side
    40,291.26x = 760,855,910.64
  5. Step 5: Solve for x
    x = 760,855,910.64/40,291.26
  6. Step 6: Final answer
    x = 18,883.89

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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.