Home / 43,357.05-65,072.61-30,907.53

Finding the Fourth Proportional to 43,357.05, 65,072.61 and 30,907.53

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Solution

The fourth proportional to 43,357.05, 65,072.61 and 30,907.53 is: 46,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.05 : 65,072.61 = 30,907.53 : x
  2. Step 2: Convert to fraction form
    43,357.05/65,072.61 = 30,907.53/x
  3. Step 3: Cross multiply
    43,357.05x = 65,072.61 × 30,907.53
  4. Step 4: Simplify right side
    43,357.05x = 2,011,233,645.75
  5. Step 5: Solve for x
    x = 2,011,233,645.75/43,357.05
  6. Step 6: Final answer
    x = 46,387.70

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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.