Home / 42,107.44-63,152.46-15,811.60

Finding the Fourth Proportional to 42,107.44, 63,152.46 and 15,811.60

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Solution

The fourth proportional to 42,107.44, 63,152.46 and 15,811.60 is: 23,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.44 : 63,152.46 = 15,811.60 : x
  2. Step 2: Convert to fraction form
    42,107.44/63,152.46 = 15,811.60/x
  3. Step 3: Cross multiply
    42,107.44x = 63,152.46 × 15,811.60
  4. Step 4: Simplify right side
    42,107.44x = 998,541,436.54
  5. Step 5: Solve for x
    x = 998,541,436.54/42,107.44
  6. Step 6: Final answer
    x = 23,714.13

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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.