Home / 33,120.39-49,681.15-9,428.54

Finding the Fourth Proportional to 33,120.39, 49,681.15 and 9,428.54

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Solution

The fourth proportional to 33,120.39, 49,681.15 and 9,428.54 is: 14,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.39 : 49,681.15 = 9,428.54 : x
  2. Step 2: Convert to fraction form
    33,120.39/49,681.15 = 9,428.54/x
  3. Step 3: Cross multiply
    33,120.39x = 49,681.15 × 9,428.54
  4. Step 4: Simplify right side
    33,120.39x = 468,420,710.02
  5. Step 5: Solve for x
    x = 468,420,710.02/33,120.39
  6. Step 6: Final answer
    x = 14,142.97

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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.