Home / 30,338.82-45,502.56-9,273.69

Finding the Fourth Proportional to 30,338.82, 45,502.56 and 9,273.69

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Solution

The fourth proportional to 30,338.82, 45,502.56 and 9,273.69 is: 13,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.82 : 45,502.56 = 9,273.69 : x
  2. Step 2: Convert to fraction form
    30,338.82/45,502.56 = 9,273.69/x
  3. Step 3: Cross multiply
    30,338.82x = 45,502.56 × 9,273.69
  4. Step 4: Simplify right side
    30,338.82x = 421,976,635.65
  5. Step 5: Solve for x
    x = 421,976,635.65/30,338.82
  6. Step 6: Final answer
    x = 13,908.80

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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.