Home / 33,678.68-50,502.43-12,603.09

Finding the Fourth Proportional to 33,678.68, 50,502.43 and 12,603.09

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Solution

The fourth proportional to 33,678.68, 50,502.43 and 12,603.09 is: 18,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,678.68 : 50,502.43 = 12,603.09 : x
  2. Step 2: Convert to fraction form
    33,678.68/50,502.43 = 12,603.09/x
  3. Step 3: Cross multiply
    33,678.68x = 50,502.43 × 12,603.09
  4. Step 4: Simplify right side
    33,678.68x = 636,486,607.49
  5. Step 5: Solve for x
    x = 636,486,607.49/33,678.68
  6. Step 6: Final answer
    x = 18,898.80

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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.