Home / 40,082.10-60,128.55-13,794.90

Finding the Fourth Proportional to 40,082.10, 60,128.55 and 13,794.90

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Solution

The fourth proportional to 40,082.10, 60,128.55 and 13,794.90 is: 20,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,082.10 : 60,128.55 = 13,794.90 : x
  2. Step 2: Convert to fraction form
    40,082.10/60,128.55 = 13,794.90/x
  3. Step 3: Cross multiply
    40,082.10x = 60,128.55 × 13,794.90
  4. Step 4: Simplify right side
    40,082.10x = 829,467,334.40
  5. Step 5: Solve for x
    x = 829,467,334.40/40,082.10
  6. Step 6: Final answer
    x = 20,694.21

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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.