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Finding the Fourth Proportional to 30,000.80, 44,947.20 and 17,510.60

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Solution

The fourth proportional to 30,000.80, 44,947.20 and 17,510.60 is: 26,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.80 : 44,947.20 = 17,510.60 : x
  2. Step 2: Convert to fraction form
    30,000.80/44,947.20 = 17,510.60/x
  3. Step 3: Cross multiply
    30,000.80x = 44,947.20 × 17,510.60
  4. Step 4: Simplify right side
    30,000.80x = 787,052,440.32
  5. Step 5: Solve for x
    x = 787,052,440.32/30,000.80
  6. Step 6: Final answer
    x = 26,234.38

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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.