Home / 36,044.74-49,742.49-20,129.21

Finding the Fourth Proportional to 36,044.74, 49,742.49 and 20,129.21

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Solution

The fourth proportional to 36,044.74, 49,742.49 and 20,129.21 is: 27,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,044.74 : 49,742.49 = 20,129.21 : x
  2. Step 2: Convert to fraction form
    36,044.74/49,742.49 = 20,129.21/x
  3. Step 3: Cross multiply
    36,044.74x = 49,742.49 × 20,129.21
  4. Step 4: Simplify right side
    36,044.74x = 1,001,276,677.77
  5. Step 5: Solve for x
    x = 1,001,276,677.77/36,044.74
  6. Step 6: Final answer
    x = 27,778.72

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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.