Home / 41,154.80-61,732.20-13,455.60

Finding the Fourth Proportional to 41,154.80, 61,732.20 and 13,455.60

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Solution

The fourth proportional to 41,154.80, 61,732.20 and 13,455.60 is: 20,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,154.80 : 61,732.20 = 13,455.60 : x
  2. Step 2: Convert to fraction form
    41,154.80/61,732.20 = 13,455.60/x
  3. Step 3: Cross multiply
    41,154.80x = 61,732.20 × 13,455.60
  4. Step 4: Simplify right side
    41,154.80x = 830,643,790.32
  5. Step 5: Solve for x
    x = 830,643,790.32/41,154.80
  6. Step 6: Final answer
    x = 20,183.40

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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.