Home / 30,188.40-45,331.20-22,801.20

Finding the Fourth Proportional to 30,188.40, 45,331.20 and 22,801.20

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Solution

The fourth proportional to 30,188.40, 45,331.20 and 22,801.20 is: 34,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.40 : 45,331.20 = 22,801.20 : x
  2. Step 2: Convert to fraction form
    30,188.40/45,331.20 = 22,801.20/x
  3. Step 3: Cross multiply
    30,188.40x = 45,331.20 × 22,801.20
  4. Step 4: Simplify right side
    30,188.40x = 1,033,605,757.44
  5. Step 5: Solve for x
    x = 1,033,605,757.44/30,188.40
  6. Step 6: Final answer
    x = 34,238.51

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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.