Home / 35,121.85-52,686.24-12,930.04

Finding the Fourth Proportional to 35,121.85, 52,686.24 and 12,930.04

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Solution

The fourth proportional to 35,121.85, 52,686.24 and 12,930.04 is: 19,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.85 : 52,686.24 = 12,930.04 : x
  2. Step 2: Convert to fraction form
    35,121.85/52,686.24 = 12,930.04/x
  3. Step 3: Cross multiply
    35,121.85x = 52,686.24 × 12,930.04
  4. Step 4: Simplify right side
    35,121.85x = 681,235,158.59
  5. Step 5: Solve for x
    x = 681,235,158.59/35,121.85
  6. Step 6: Final answer
    x = 19,396.33

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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.