Home / 43,357.55-65,073.36-30,908.03

Finding the Fourth Proportional to 43,357.55, 65,073.36 and 30,908.03

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Solution

The fourth proportional to 43,357.55, 65,073.36 and 30,908.03 is: 46,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.55 : 65,073.36 = 30,908.03 : x
  2. Step 2: Convert to fraction form
    43,357.55/65,073.36 = 30,908.03/x
  3. Step 3: Cross multiply
    43,357.55x = 65,073.36 × 30,908.03
  4. Step 4: Simplify right side
    43,357.55x = 2,011,289,363.08
  5. Step 5: Solve for x
    x = 2,011,289,363.08/43,357.55
  6. Step 6: Final answer
    x = 46,388.45

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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.