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Finding the Fourth Proportional to 36,494.66, 50,362.66 and 21,384.31

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Solution

The fourth proportional to 36,494.66, 50,362.66 and 21,384.31 is: 29,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,494.66 : 50,362.66 = 21,384.31 : x
  2. Step 2: Convert to fraction form
    36,494.66/50,362.66 = 21,384.31/x
  3. Step 3: Cross multiply
    36,494.66x = 50,362.66 × 21,384.31
  4. Step 4: Simplify right side
    36,494.66x = 1,076,970,554.50
  5. Step 5: Solve for x
    x = 1,076,970,554.50/36,494.66
  6. Step 6: Final answer
    x = 29,510.36

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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.