Home / 36,439.87-54,666.05-16,720.12

Finding the Fourth Proportional to 36,439.87, 54,666.05 and 16,720.12

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Solution

The fourth proportional to 36,439.87, 54,666.05 and 16,720.12 is: 25,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.87 : 54,666.05 = 16,720.12 : x
  2. Step 2: Convert to fraction form
    36,439.87/54,666.05 = 16,720.12/x
  3. Step 3: Cross multiply
    36,439.87x = 54,666.05 × 16,720.12
  4. Step 4: Simplify right side
    36,439.87x = 914,022,915.93
  5. Step 5: Solve for x
    x = 914,022,915.93/36,439.87
  6. Step 6: Final answer
    x = 25,083.05

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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.