Home / 43,975.44-65,931.84-20,589.12

Finding the Fourth Proportional to 43,975.44, 65,931.84 and 20,589.12

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Solution

The fourth proportional to 43,975.44, 65,931.84 and 20,589.12 is: 30,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,975.44 : 65,931.84 = 20,589.12 : x
  2. Step 2: Convert to fraction form
    43,975.44/65,931.84 = 20,589.12/x
  3. Step 3: Cross multiply
    43,975.44x = 65,931.84 × 20,589.12
  4. Step 4: Simplify right side
    43,975.44x = 1,357,478,565.58
  5. Step 5: Solve for x
    x = 1,357,478,565.58/43,975.44
  6. Step 6: Final answer
    x = 30,869.02

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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.