Home / 38,324.34-52,886.25-21,328.02

Finding the Fourth Proportional to 38,324.34, 52,886.25 and 21,328.02

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Solution

The fourth proportional to 38,324.34, 52,886.25 and 21,328.02 is: 29,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,324.34 : 52,886.25 = 21,328.02 : x
  2. Step 2: Convert to fraction form
    38,324.34/52,886.25 = 21,328.02/x
  3. Step 3: Cross multiply
    38,324.34x = 52,886.25 × 21,328.02
  4. Step 4: Simplify right side
    38,324.34x = 1,127,958,997.73
  5. Step 5: Solve for x
    x = 1,127,958,997.73/38,324.34
  6. Step 6: Final answer
    x = 29,431.92

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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.