Home / 36,066.15-49,773.19-21,730.49

Finding the Fourth Proportional to 36,066.15, 49,773.19 and 21,730.49

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Solution

The fourth proportional to 36,066.15, 49,773.19 and 21,730.49 is: 29,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,066.15 : 49,773.19 = 21,730.49 : x
  2. Step 2: Convert to fraction form
    36,066.15/49,773.19 = 21,730.49/x
  3. Step 3: Cross multiply
    36,066.15x = 49,773.19 × 21,730.49
  4. Step 4: Simplify right side
    36,066.15x = 1,081,595,628.80
  5. Step 5: Solve for x
    x = 1,081,595,628.80/36,066.15
  6. Step 6: Final answer
    x = 29,989.21

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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.