Home / 55,249.04-82,818.08-17,781.58

Finding the Fourth Proportional to 55,249.04, 82,818.08 and 17,781.58

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Solution

The fourth proportional to 55,249.04, 82,818.08 and 17,781.58 is: 26,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,249.04 : 82,818.08 = 17,781.58 : x
  2. Step 2: Convert to fraction form
    55,249.04/82,818.08 = 17,781.58/x
  3. Step 3: Cross multiply
    55,249.04x = 82,818.08 × 17,781.58
  4. Step 4: Simplify right side
    55,249.04x = 1,472,636,314.97
  5. Step 5: Solve for x
    x = 1,472,636,314.97/55,249.04
  6. Step 6: Final answer
    x = 26,654.51

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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.