Home / 30,108.33-45,169.79-9,048.33

Finding the Fourth Proportional to 30,108.33, 45,169.79 and 9,048.33

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Solution

The fourth proportional to 30,108.33, 45,169.79 and 9,048.33 is: 13,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.33 : 45,169.79 = 9,048.33 : x
  2. Step 2: Convert to fraction form
    30,108.33/45,169.79 = 9,048.33/x
  3. Step 3: Cross multiply
    30,108.33x = 45,169.79 × 9,048.33
  4. Step 4: Simplify right side
    30,108.33x = 408,711,120.71
  5. Step 5: Solve for x
    x = 408,711,120.71/30,108.33
  6. Step 6: Final answer
    x = 13,574.69

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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.