Home / 33,699.47-50,555.68-12,921.35

Finding the Fourth Proportional to 33,699.47, 50,555.68 and 12,921.35

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Solution

The fourth proportional to 33,699.47, 50,555.68 and 12,921.35 is: 19,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,699.47 : 50,555.68 = 12,921.35 : x
  2. Step 2: Convert to fraction form
    33,699.47/50,555.68 = 12,921.35/x
  3. Step 3: Cross multiply
    33,699.47x = 50,555.68 × 12,921.35
  4. Step 4: Simplify right side
    33,699.47x = 653,247,318.38
  5. Step 5: Solve for x
    x = 653,247,318.38/33,699.47
  6. Step 6: Final answer
    x = 19,384.50

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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.