Home / 36,036.80-49,730.52-19,905.14

Finding the Fourth Proportional to 36,036.80, 49,730.52 and 19,905.14

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Solution

The fourth proportional to 36,036.80, 49,730.52 and 19,905.14 is: 27,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.80 : 49,730.52 = 19,905.14 : x
  2. Step 2: Convert to fraction form
    36,036.80/49,730.52 = 19,905.14/x
  3. Step 3: Cross multiply
    36,036.80x = 49,730.52 × 19,905.14
  4. Step 4: Simplify right side
    36,036.80x = 989,892,962.87
  5. Step 5: Solve for x
    x = 989,892,962.87/36,036.80
  6. Step 6: Final answer
    x = 27,468.95

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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.