Home / 35,902.48-49,545.40-19,990.69

Finding the Fourth Proportional to 35,902.48, 49,545.40 and 19,990.69

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Solution

The fourth proportional to 35,902.48, 49,545.40 and 19,990.69 is: 27,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,902.48 : 49,545.40 = 19,990.69 : x
  2. Step 2: Convert to fraction form
    35,902.48/49,545.40 = 19,990.69/x
  3. Step 3: Cross multiply
    35,902.48x = 49,545.40 × 19,990.69
  4. Step 4: Simplify right side
    35,902.48x = 990,446,732.33
  5. Step 5: Solve for x
    x = 990,446,732.33/35,902.48
  6. Step 6: Final answer
    x = 27,587.14

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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.