Home / 36,820.41-50,814.15-21,721.91

Finding the Fourth Proportional to 36,820.41, 50,814.15 and 21,721.91

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Solution

The fourth proportional to 36,820.41, 50,814.15 and 21,721.91 is: 29,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.41 : 50,814.15 = 21,721.91 : x
  2. Step 2: Convert to fraction form
    36,820.41/50,814.15 = 21,721.91/x
  3. Step 3: Cross multiply
    36,820.41x = 50,814.15 × 21,721.91
  4. Step 4: Simplify right side
    36,820.41x = 1,103,780,138.96
  5. Step 5: Solve for x
    x = 1,103,780,138.96/36,820.41
  6. Step 6: Final answer
    x = 29,977.40

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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.