Home / 38,327-52,896.12-21,563.24

Finding the Fourth Proportional to 38,327, 52,896.12 and 21,563.24

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Solution

The fourth proportional to 38,327, 52,896.12 and 21,563.24 is: 29,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327 : 52,896.12 = 21,563.24 : x
  2. Step 2: Convert to fraction form
    38,327/52,896.12 = 21,563.24/x
  3. Step 3: Cross multiply
    38,327x = 52,896.12 × 21,563.24
  4. Step 4: Simplify right side
    38,327x = 1,140,611,730.63
  5. Step 5: Solve for x
    x = 1,140,611,730.63/38,327
  6. Step 6: Final answer
    x = 29,760.01

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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.