Home / 35,363.38-53,045.68-11,990.42

Finding the Fourth Proportional to 35,363.38, 53,045.68 and 11,990.42

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Solution

The fourth proportional to 35,363.38, 53,045.68 and 11,990.42 is: 17,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,363.38 : 53,045.68 = 11,990.42 : x
  2. Step 2: Convert to fraction form
    35,363.38/53,045.68 = 11,990.42/x
  3. Step 3: Cross multiply
    35,363.38x = 53,045.68 × 11,990.42
  4. Step 4: Simplify right side
    35,363.38x = 636,039,982.39
  5. Step 5: Solve for x
    x = 636,039,982.39/35,363.38
  6. Step 6: Final answer
    x = 17,985.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.