Home / 34,806.12-48,031.15-18,890.22

Finding the Fourth Proportional to 34,806.12, 48,031.15 and 18,890.22

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Solution

The fourth proportional to 34,806.12, 48,031.15 and 18,890.22 is: 26,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.12 : 48,031.15 = 18,890.22 : x
  2. Step 2: Convert to fraction form
    34,806.12/48,031.15 = 18,890.22/x
  3. Step 3: Cross multiply
    34,806.12x = 48,031.15 × 18,890.22
  4. Step 4: Simplify right side
    34,806.12x = 907,318,990.35
  5. Step 5: Solve for x
    x = 907,318,990.35/34,806.12
  6. Step 6: Final answer
    x = 26,067.80

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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.