Home / 30,320.62-41,842.54-19,728.26

Finding the Fourth Proportional to 30,320.62, 41,842.54 and 19,728.26

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Solution

The fourth proportional to 30,320.62, 41,842.54 and 19,728.26 is: 27,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.62 : 41,842.54 = 19,728.26 : x
  2. Step 2: Convert to fraction form
    30,320.62/41,842.54 = 19,728.26/x
  3. Step 3: Cross multiply
    30,320.62x = 41,842.54 × 19,728.26
  4. Step 4: Simplify right side
    30,320.62x = 825,480,508.18
  5. Step 5: Solve for x
    x = 825,480,508.18/30,320.62
  6. Step 6: Final answer
    x = 27,225.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.