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Finding the Fourth Proportional to 34,190.80, 51,199.80 and 22,440.40

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Solution

The fourth proportional to 34,190.80, 51,199.80 and 22,440.40 is: 33,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,190.80 : 51,199.80 = 22,440.40 : x
  2. Step 2: Convert to fraction form
    34,190.80/51,199.80 = 22,440.40/x
  3. Step 3: Cross multiply
    34,190.80x = 51,199.80 × 22,440.40
  4. Step 4: Simplify right side
    34,190.80x = 1,148,943,991.92
  5. Step 5: Solve for x
    x = 1,148,943,991.92/34,190.80
  6. Step 6: Final answer
    x = 33,603.89

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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.