Home / 36,070.97-49,777.01-20,155.55

Finding the Fourth Proportional to 36,070.97, 49,777.01 and 20,155.55

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Solution

The fourth proportional to 36,070.97, 49,777.01 and 20,155.55 is: 27,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.97 : 49,777.01 = 20,155.55 : x
  2. Step 2: Convert to fraction form
    36,070.97/49,777.01 = 20,155.55/x
  3. Step 3: Cross multiply
    36,070.97x = 49,777.01 × 20,155.55
  4. Step 4: Simplify right side
    36,070.97x = 1,003,282,664.24
  5. Step 5: Solve for x
    x = 1,003,282,664.24/36,070.97
  6. Step 6: Final answer
    x = 27,814.13

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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.