Home / 42,200.20-63,260.70-15,922.60

Finding the Fourth Proportional to 42,200.20, 63,260.70 and 15,922.60

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Solution

The fourth proportional to 42,200.20, 63,260.70 and 15,922.60 is: 23,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,200.20 : 63,260.70 = 15,922.60 : x
  2. Step 2: Convert to fraction form
    42,200.20/63,260.70 = 15,922.60/x
  3. Step 3: Cross multiply
    42,200.20x = 63,260.70 × 15,922.60
  4. Step 4: Simplify right side
    42,200.20x = 1,007,274,821.82
  5. Step 5: Solve for x
    x = 1,007,274,821.82/42,200.20
  6. Step 6: Final answer
    x = 23,868.96

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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.