Home / 40,105.83-60,120.92-13,792.17

Finding the Fourth Proportional to 40,105.83, 60,120.92 and 13,792.17

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Solution

The fourth proportional to 40,105.83, 60,120.92 and 13,792.17 is: 20,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.83 : 60,120.92 = 13,792.17 : x
  2. Step 2: Convert to fraction form
    40,105.83/60,120.92 = 13,792.17/x
  3. Step 3: Cross multiply
    40,105.83x = 60,120.92 × 13,792.17
  4. Step 4: Simplify right side
    40,105.83x = 829,197,880.24
  5. Step 5: Solve for x
    x = 829,197,880.24/40,105.83
  6. Step 6: Final answer
    x = 20,675.25

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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.