Home / 43,440.98-65,157.15-20,067.08

Finding the Fourth Proportional to 43,440.98, 65,157.15 and 20,067.08

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Solution

The fourth proportional to 43,440.98, 65,157.15 and 20,067.08 is: 30,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,440.98 : 65,157.15 = 20,067.08 : x
  2. Step 2: Convert to fraction form
    43,440.98/65,157.15 = 20,067.08/x
  3. Step 3: Cross multiply
    43,440.98x = 65,157.15 × 20,067.08
  4. Step 4: Simplify right side
    43,440.98x = 1,307,513,741.62
  5. Step 5: Solve for x
    x = 1,307,513,741.62/43,440.98
  6. Step 6: Final answer
    x = 30,098.62

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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.