Home / 36,005.16-49,690.12-19,873.94

Finding the Fourth Proportional to 36,005.16, 49,690.12 and 19,873.94

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Solution

The fourth proportional to 36,005.16, 49,690.12 and 19,873.94 is: 27,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.16 : 49,690.12 = 19,873.94 : x
  2. Step 2: Convert to fraction form
    36,005.16/49,690.12 = 19,873.94/x
  3. Step 3: Cross multiply
    36,005.16x = 49,690.12 × 19,873.94
  4. Step 4: Simplify right side
    36,005.16x = 987,538,463.47
  5. Step 5: Solve for x
    x = 987,538,463.47/36,005.16
  6. Step 6: Final answer
    x = 27,427.69

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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.