Home / 36,071.47-49,778.53-20,155.93

Finding the Fourth Proportional to 36,071.47, 49,778.53 and 20,155.93

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Solution

The fourth proportional to 36,071.47, 49,778.53 and 20,155.93 is: 27,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.47 : 49,778.53 = 20,155.93 : x
  2. Step 2: Convert to fraction form
    36,071.47/49,778.53 = 20,155.93/x
  3. Step 3: Cross multiply
    36,071.47x = 49,778.53 × 20,155.93
  4. Step 4: Simplify right side
    36,071.47x = 1,003,332,633.56
  5. Step 5: Solve for x
    x = 1,003,332,633.56/36,071.47
  6. Step 6: Final answer
    x = 27,815.13

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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.