Home / 42,548.99-63,793.93-18,843.62

Finding the Fourth Proportional to 42,548.99, 63,793.93 and 18,843.62

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Solution

The fourth proportional to 42,548.99, 63,793.93 and 18,843.62 is: 28,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.99 : 63,793.93 = 18,843.62 : x
  2. Step 2: Convert to fraction form
    42,548.99/63,793.93 = 18,843.62/x
  3. Step 3: Cross multiply
    42,548.99x = 63,793.93 × 18,843.62
  4. Step 4: Simplify right side
    42,548.99x = 1,202,108,191.48
  5. Step 5: Solve for x
    x = 1,202,108,191.48/42,548.99
  6. Step 6: Final answer
    x = 28,252.33

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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.