Home / 20,044.31-30,069.12-7,392.36

Finding the Fourth Proportional to 20,044.31, 30,069.12 and 7,392.36

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Solution

The fourth proportional to 20,044.31, 30,069.12 and 7,392.36 is: 11,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.31 : 30,069.12 = 7,392.36 : x
  2. Step 2: Convert to fraction form
    20,044.31/30,069.12 = 7,392.36/x
  3. Step 3: Cross multiply
    20,044.31x = 30,069.12 × 7,392.36
  4. Step 4: Simplify right side
    20,044.31x = 222,281,900.40
  5. Step 5: Solve for x
    x = 222,281,900.40/20,044.31
  6. Step 6: Final answer
    x = 11,089.53

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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.