Home / 36,151.38-49,888.38-20,235.81

Finding the Fourth Proportional to 36,151.38, 49,888.38 and 20,235.81

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Solution

The fourth proportional to 36,151.38, 49,888.38 and 20,235.81 is: 27,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.38 : 49,888.38 = 20,235.81 : x
  2. Step 2: Convert to fraction form
    36,151.38/49,888.38 = 20,235.81/x
  3. Step 3: Cross multiply
    36,151.38x = 49,888.38 × 20,235.81
  4. Step 4: Simplify right side
    36,151.38x = 1,009,531,778.89
  5. Step 5: Solve for x
    x = 1,009,531,778.89/36,151.38
  6. Step 6: Final answer
    x = 27,925.12

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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.