Home / 33,089.32-49,640.13-13,381.71

Finding the Fourth Proportional to 33,089.32, 49,640.13 and 13,381.71

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Solution

The fourth proportional to 33,089.32, 49,640.13 and 13,381.71 is: 20,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,089.32 : 49,640.13 = 13,381.71 : x
  2. Step 2: Convert to fraction form
    33,089.32/49,640.13 = 13,381.71/x
  3. Step 3: Cross multiply
    33,089.32x = 49,640.13 × 13,381.71
  4. Step 4: Simplify right side
    33,089.32x = 664,270,094.35
  5. Step 5: Solve for x
    x = 664,270,094.35/33,089.32
  6. Step 6: Final answer
    x = 20,075.06

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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.