Home / 38,323.33-52,885.12-21,327.31

Finding the Fourth Proportional to 38,323.33, 52,885.12 and 21,327.31

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Solution

The fourth proportional to 38,323.33, 52,885.12 and 21,327.31 is: 29,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,323.33 : 52,885.12 = 21,327.31 : x
  2. Step 2: Convert to fraction form
    38,323.33/52,885.12 = 21,327.31/x
  3. Step 3: Cross multiply
    38,323.33x = 52,885.12 × 21,327.31
  4. Step 4: Simplify right side
    38,323.33x = 1,127,897,348.63
  5. Step 5: Solve for x
    x = 1,127,897,348.63/38,323.33
  6. Step 6: Final answer
    x = 29,431.09

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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.