Home / 43,837.55-65,766.08-20,451.23

Finding the Fourth Proportional to 43,837.55, 65,766.08 and 20,451.23

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Solution

The fourth proportional to 43,837.55, 65,766.08 and 20,451.23 is: 30,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,837.55 : 65,766.08 = 20,451.23 : x
  2. Step 2: Convert to fraction form
    43,837.55/65,766.08 = 20,451.23/x
  3. Step 3: Cross multiply
    43,837.55x = 65,766.08 × 20,451.23
  4. Step 4: Simplify right side
    43,837.55x = 1,344,997,452.09
  5. Step 5: Solve for x
    x = 1,344,997,452.09/43,837.55
  6. Step 6: Final answer
    x = 30,681.40

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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.