Home / 50,803.30-76,196.28-21,213.16

Finding the Fourth Proportional to 50,803.30, 76,196.28 and 21,213.16

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Solution

The fourth proportional to 50,803.30, 76,196.28 and 21,213.16 is: 31,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.30 : 76,196.28 = 21,213.16 : x
  2. Step 2: Convert to fraction form
    50,803.30/76,196.28 = 21,213.16/x
  3. Step 3: Cross multiply
    50,803.30x = 76,196.28 × 21,213.16
  4. Step 4: Simplify right side
    50,803.30x = 1,616,363,879.04
  5. Step 5: Solve for x
    x = 1,616,363,879.04/50,803.30
  6. Step 6: Final answer
    x = 31,816.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.