Home / 35,689.92-49,255.08-19,775.85

Finding the Fourth Proportional to 35,689.92, 49,255.08 and 19,775.85

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Solution

The fourth proportional to 35,689.92, 49,255.08 and 19,775.85 is: 27,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,689.92 : 49,255.08 = 19,775.85 : x
  2. Step 2: Convert to fraction form
    35,689.92/49,255.08 = 19,775.85/x
  3. Step 3: Cross multiply
    35,689.92x = 49,255.08 × 19,775.85
  4. Step 4: Simplify right side
    35,689.92x = 974,061,073.82
  5. Step 5: Solve for x
    x = 974,061,073.82/35,689.92
  6. Step 6: Final answer
    x = 27,292.33

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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.