Home / 39,232.57-54,141.30-21,327.58

Finding the Fourth Proportional to 39,232.57, 54,141.30 and 21,327.58

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Solution

The fourth proportional to 39,232.57, 54,141.30 and 21,327.58 is: 29,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232.57 : 54,141.30 = 21,327.58 : x
  2. Step 2: Convert to fraction form
    39,232.57/54,141.30 = 21,327.58/x
  3. Step 3: Cross multiply
    39,232.57x = 54,141.30 × 21,327.58
  4. Step 4: Simplify right side
    39,232.57x = 1,154,702,907.05
  5. Step 5: Solve for x
    x = 1,154,702,907.05/39,232.57
  6. Step 6: Final answer
    x = 29,432.25

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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.