Home / 33,280.33-49,905.91-12,489.25

Finding the Fourth Proportional to 33,280.33, 49,905.91 and 12,489.25

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Solution

The fourth proportional to 33,280.33, 49,905.91 and 12,489.25 is: 18,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.33 : 49,905.91 = 12,489.25 : x
  2. Step 2: Convert to fraction form
    33,280.33/49,905.91 = 12,489.25/x
  3. Step 3: Cross multiply
    33,280.33x = 49,905.91 × 12,489.25
  4. Step 4: Simplify right side
    33,280.33x = 623,287,386.47
  5. Step 5: Solve for x
    x = 623,287,386.47/33,280.33
  6. Step 6: Final answer
    x = 18,728.40

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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.