Home / 40,568.77-60,858.91-12,491.15

Finding the Fourth Proportional to 40,568.77, 60,858.91 and 12,491.15

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Solution

The fourth proportional to 40,568.77, 60,858.91 and 12,491.15 is: 18,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,568.77 : 60,858.91 = 12,491.15 : x
  2. Step 2: Convert to fraction form
    40,568.77/60,858.91 = 12,491.15/x
  3. Step 3: Cross multiply
    40,568.77x = 60,858.91 × 12,491.15
  4. Step 4: Simplify right side
    40,568.77x = 760,197,894.57
  5. Step 5: Solve for x
    x = 760,197,894.57/40,568.77
  6. Step 6: Final answer
    x = 18,738.50

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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.