Home / 36,071.73-49,778.03-20,156.31

Finding the Fourth Proportional to 36,071.73, 49,778.03 and 20,156.31

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Solution

The fourth proportional to 36,071.73, 49,778.03 and 20,156.31 is: 27,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.73 : 49,778.03 = 20,156.31 : x
  2. Step 2: Convert to fraction form
    36,071.73/49,778.03 = 20,156.31/x
  3. Step 3: Cross multiply
    36,071.73x = 49,778.03 × 20,156.31
  4. Step 4: Simplify right side
    36,071.73x = 1,003,341,303.09
  5. Step 5: Solve for x
    x = 1,003,341,303.09/36,071.73
  6. Step 6: Final answer
    x = 27,815.17

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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.