Home / 34,891.56-48,151.63-19,990.44

Finding the Fourth Proportional to 34,891.56, 48,151.63 and 19,990.44

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Solution

The fourth proportional to 34,891.56, 48,151.63 and 19,990.44 is: 27,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,891.56 : 48,151.63 = 19,990.44 : x
  2. Step 2: Convert to fraction form
    34,891.56/48,151.63 = 19,990.44/x
  3. Step 3: Cross multiply
    34,891.56x = 48,151.63 × 19,990.44
  4. Step 4: Simplify right side
    34,891.56x = 962,572,270.42
  5. Step 5: Solve for x
    x = 962,572,270.42/34,891.56
  6. Step 6: Final answer
    x = 27,587.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.