Home / 36,071.52-49,784.32-21,919.20

Finding the Fourth Proportional to 36,071.52, 49,784.32 and 21,919.20

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Solution

The fourth proportional to 36,071.52, 49,784.32 and 21,919.20 is: 30,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.52 : 49,784.32 = 21,919.20 : x
  2. Step 2: Convert to fraction form
    36,071.52/49,784.32 = 21,919.20/x
  3. Step 3: Cross multiply
    36,071.52x = 49,784.32 × 21,919.20
  4. Step 4: Simplify right side
    36,071.52x = 1,091,232,466.94
  5. Step 5: Solve for x
    x = 1,091,232,466.94/36,071.52
  6. Step 6: Final answer
    x = 30,251.91

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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.