Home / 38,539.11-57,808.67-19,816.23

Finding the Fourth Proportional to 38,539.11, 57,808.67 and 19,816.23

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Solution

The fourth proportional to 38,539.11, 57,808.67 and 19,816.23 is: 29,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.11 : 57,808.67 = 19,816.23 : x
  2. Step 2: Convert to fraction form
    38,539.11/57,808.67 = 19,816.23/x
  3. Step 3: Cross multiply
    38,539.11x = 57,808.67 × 19,816.23
  4. Step 4: Simplify right side
    38,539.11x = 1,145,549,801.63
  5. Step 5: Solve for x
    x = 1,145,549,801.63/38,539.11
  6. Step 6: Final answer
    x = 29,724.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.