Home / 33,178.32-49,766.48-13,456.40

Finding the Fourth Proportional to 33,178.32, 49,766.48 and 13,456.40

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Solution

The fourth proportional to 33,178.32, 49,766.48 and 13,456.40 is: 20,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,178.32 : 49,766.48 = 13,456.40 : x
  2. Step 2: Convert to fraction form
    33,178.32/49,766.48 = 13,456.40/x
  3. Step 3: Cross multiply
    33,178.32x = 49,766.48 × 13,456.40
  4. Step 4: Simplify right side
    33,178.32x = 669,677,661.47
  5. Step 5: Solve for x
    x = 669,677,661.47/33,178.32
  6. Step 6: Final answer
    x = 20,184.19

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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.