Home / 38,331.10-52,896.87-21,564.10

Finding the Fourth Proportional to 38,331.10, 52,896.87 and 21,564.10

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Solution

The fourth proportional to 38,331.10, 52,896.87 and 21,564.10 is: 29,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.10 : 52,896.87 = 21,564.10 : x
  2. Step 2: Convert to fraction form
    38,331.10/52,896.87 = 21,564.10/x
  3. Step 3: Cross multiply
    38,331.10x = 52,896.87 × 21,564.10
  4. Step 4: Simplify right side
    38,331.10x = 1,140,673,394.37
  5. Step 5: Solve for x
    x = 1,140,673,394.37/38,331.10
  6. Step 6: Final answer
    x = 29,758.43

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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.