Home / 36,780.32-50,767.26-21,681.74

Finding the Fourth Proportional to 36,780.32, 50,767.26 and 21,681.74

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Solution

The fourth proportional to 36,780.32, 50,767.26 and 21,681.74 is: 29,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.32 : 50,767.26 = 21,681.74 : x
  2. Step 2: Convert to fraction form
    36,780.32/50,767.26 = 21,681.74/x
  3. Step 3: Cross multiply
    36,780.32x = 50,767.26 × 21,681.74
  4. Step 4: Simplify right side
    36,780.32x = 1,100,722,531.83
  5. Step 5: Solve for x
    x = 1,100,722,531.83/36,780.32
  6. Step 6: Final answer
    x = 29,926.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.