Home / 33,711.51-50,572.76-12,653.21

Finding the Fourth Proportional to 33,711.51, 50,572.76 and 12,653.21

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Solution

The fourth proportional to 33,711.51, 50,572.76 and 12,653.21 is: 18,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,711.51 : 50,572.76 = 12,653.21 : x
  2. Step 2: Convert to fraction form
    33,711.51/50,572.76 = 12,653.21/x
  3. Step 3: Cross multiply
    33,711.51x = 50,572.76 × 12,653.21
  4. Step 4: Simplify right side
    33,711.51x = 639,907,673.49
  5. Step 5: Solve for x
    x = 639,907,673.49/33,711.51
  6. Step 6: Final answer
    x = 18,981.87

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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.