Home / 43,540.20-65,316.06-13,948.20

Finding the Fourth Proportional to 43,540.20, 65,316.06 and 13,948.20

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Solution

The fourth proportional to 43,540.20, 65,316.06 and 13,948.20 is: 20,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,540.20 : 65,316.06 = 13,948.20 : x
  2. Step 2: Convert to fraction form
    43,540.20/65,316.06 = 13,948.20/x
  3. Step 3: Cross multiply
    43,540.20x = 65,316.06 × 13,948.20
  4. Step 4: Simplify right side
    43,540.20x = 911,041,468.09
  5. Step 5: Solve for x
    x = 911,041,468.09/43,540.20
  6. Step 6: Final answer
    x = 20,924.15

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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.