Home / 45,328.60-67,993.68-15,747.40

Finding the Fourth Proportional to 45,328.60, 67,993.68 and 15,747.40

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Solution

The fourth proportional to 45,328.60, 67,993.68 and 15,747.40 is: 23,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,328.60 : 67,993.68 = 15,747.40 : x
  2. Step 2: Convert to fraction form
    45,328.60/67,993.68 = 15,747.40/x
  3. Step 3: Cross multiply
    45,328.60x = 67,993.68 × 15,747.40
  4. Step 4: Simplify right side
    45,328.60x = 1,070,723,676.43
  5. Step 5: Solve for x
    x = 1,070,723,676.43/45,328.60
  6. Step 6: Final answer
    x = 23,621.37

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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.