Home / 53,236.98-79,855.38-21,664.20

Finding the Fourth Proportional to 53,236.98, 79,855.38 and 21,664.20

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Solution

The fourth proportional to 53,236.98, 79,855.38 and 21,664.20 is: 32,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.98 : 79,855.38 = 21,664.20 : x
  2. Step 2: Convert to fraction form
    53,236.98/79,855.38 = 21,664.20/x
  3. Step 3: Cross multiply
    53,236.98x = 79,855.38 × 21,664.20
  4. Step 4: Simplify right side
    53,236.98x = 1,730,002,923.40
  5. Step 5: Solve for x
    x = 1,730,002,923.40/53,236.98
  6. Step 6: Final answer
    x = 32,496.26

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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.