Home / 43,357.95-65,049.08-21,172.05

Finding the Fourth Proportional to 43,357.95, 65,049.08 and 21,172.05

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Solution

The fourth proportional to 43,357.95, 65,049.08 and 21,172.05 is: 31,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.95 : 65,049.08 = 21,172.05 : x
  2. Step 2: Convert to fraction form
    43,357.95/65,049.08 = 21,172.05/x
  3. Step 3: Cross multiply
    43,357.95x = 65,049.08 × 21,172.05
  4. Step 4: Simplify right side
    43,357.95x = 1,377,222,268.35
  5. Step 5: Solve for x
    x = 1,377,222,268.35/43,357.95
  6. Step 6: Final answer
    x = 31,764.01

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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.