Home / 36,187.98-49,939.85-20,870.97

Finding the Fourth Proportional to 36,187.98, 49,939.85 and 20,870.97

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Solution

The fourth proportional to 36,187.98, 49,939.85 and 20,870.97 is: 28,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.98 : 49,939.85 = 20,870.97 : x
  2. Step 2: Convert to fraction form
    36,187.98/49,939.85 = 20,870.97/x
  3. Step 3: Cross multiply
    36,187.98x = 49,939.85 × 20,870.97
  4. Step 4: Simplify right side
    36,187.98x = 1,042,293,111.15
  5. Step 5: Solve for x
    x = 1,042,293,111.15/36,187.98
  6. Step 6: Final answer
    x = 28,802.19

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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.