Home / 33,054.75-49,582.40-12,278.25

Finding the Fourth Proportional to 33,054.75, 49,582.40 and 12,278.25

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Solution

The fourth proportional to 33,054.75, 49,582.40 and 12,278.25 is: 18,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,054.75 : 49,582.40 = 12,278.25 : x
  2. Step 2: Convert to fraction form
    33,054.75/49,582.40 = 12,278.25/x
  3. Step 3: Cross multiply
    33,054.75x = 49,582.40 × 12,278.25
  4. Step 4: Simplify right side
    33,054.75x = 608,785,041.41
  5. Step 5: Solve for x
    x = 608,785,041.41/33,054.75
  6. Step 6: Final answer
    x = 18,417.48

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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.