Home / 33,215.66-49,830.59-12,155.63

Finding the Fourth Proportional to 33,215.66, 49,830.59 and 12,155.63

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Solution

The fourth proportional to 33,215.66, 49,830.59 and 12,155.63 is: 18,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.66 : 49,830.59 = 12,155.63 : x
  2. Step 2: Convert to fraction form
    33,215.66/49,830.59 = 12,155.63/x
  3. Step 3: Cross multiply
    33,215.66x = 49,830.59 × 12,155.63
  4. Step 4: Simplify right side
    33,215.66x = 605,721,904.79
  5. Step 5: Solve for x
    x = 605,721,904.79/33,215.66
  6. Step 6: Final answer
    x = 18,236.04

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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.