Home / 43,358.05-65,074.11-30,908.53

Finding the Fourth Proportional to 43,358.05, 65,074.11 and 30,908.53

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Solution

The fourth proportional to 43,358.05, 65,074.11 and 30,908.53 is: 46,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.05 : 65,074.11 = 30,908.53 : x
  2. Step 2: Convert to fraction form
    43,358.05/65,074.11 = 30,908.53/x
  3. Step 3: Cross multiply
    43,358.05x = 65,074.11 × 30,908.53
  4. Step 4: Simplify right side
    43,358.05x = 2,011,345,081.16
  5. Step 5: Solve for x
    x = 2,011,345,081.16/43,358.05
  6. Step 6: Final answer
    x = 46,389.20

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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.