Home / 34,805.18-48,031.32-18,889.65

Finding the Fourth Proportional to 34,805.18, 48,031.32 and 18,889.65

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Solution

The fourth proportional to 34,805.18, 48,031.32 and 18,889.65 is: 26,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,805.18 : 48,031.32 = 18,889.65 : x
  2. Step 2: Convert to fraction form
    34,805.18/48,031.32 = 18,889.65/x
  3. Step 3: Cross multiply
    34,805.18x = 48,031.32 × 18,889.65
  4. Step 4: Simplify right side
    34,805.18x = 907,294,823.84
  5. Step 5: Solve for x
    x = 907,294,823.84/34,805.18
  6. Step 6: Final answer
    x = 26,067.81

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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.