Home / 34,889.86-48,147.51-18,974.44

Finding the Fourth Proportional to 34,889.86, 48,147.51 and 18,974.44

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Solution

The fourth proportional to 34,889.86, 48,147.51 and 18,974.44 is: 26,184.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.86 : 48,147.51 = 18,974.44 : x
  2. Step 2: Convert to fraction form
    34,889.86/48,147.51 = 18,974.44/x
  3. Step 3: Cross multiply
    34,889.86x = 48,147.51 × 18,974.44
  4. Step 4: Simplify right side
    34,889.86x = 913,572,039.64
  5. Step 5: Solve for x
    x = 913,572,039.64/34,889.86
  6. Step 6: Final answer
    x = 26,184.46

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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.