Home / 53,616.62-80,424.38-13,635.69

Finding the Fourth Proportional to 53,616.62, 80,424.38 and 13,635.69

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Solution

The fourth proportional to 53,616.62, 80,424.38 and 13,635.69 is: 20,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,616.62 : 80,424.38 = 13,635.69 : x
  2. Step 2: Convert to fraction form
    53,616.62/80,424.38 = 13,635.69/x
  3. Step 3: Cross multiply
    53,616.62x = 80,424.38 × 13,635.69
  4. Step 4: Simplify right side
    53,616.62x = 1,096,641,948.21
  5. Step 5: Solve for x
    x = 1,096,641,948.21/53,616.62
  6. Step 6: Final answer
    x = 20,453.40

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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.