Home / 35,647.29-49,205.56-20,545.98

Finding the Fourth Proportional to 35,647.29, 49,205.56 and 20,545.98

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Solution

The fourth proportional to 35,647.29, 49,205.56 and 20,545.98 is: 28,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.29 : 49,205.56 = 20,545.98 : x
  2. Step 2: Convert to fraction form
    35,647.29/49,205.56 = 20,545.98/x
  3. Step 3: Cross multiply
    35,647.29x = 49,205.56 × 20,545.98
  4. Step 4: Simplify right side
    35,647.29x = 1,010,976,451.65
  5. Step 5: Solve for x
    x = 1,010,976,451.65/35,647.29
  6. Step 6: Final answer
    x = 28,360.54

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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.