Home / 39,083.60-58,644.84-18,308.72

Finding the Fourth Proportional to 39,083.60, 58,644.84 and 18,308.72

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Solution

The fourth proportional to 39,083.60, 58,644.84 and 18,308.72 is: 27,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,083.60 : 58,644.84 = 18,308.72 : x
  2. Step 2: Convert to fraction form
    39,083.60/58,644.84 = 18,308.72/x
  3. Step 3: Cross multiply
    39,083.60x = 58,644.84 × 18,308.72
  4. Step 4: Simplify right side
    39,083.60x = 1,073,711,955.00
  5. Step 5: Solve for x
    x = 1,073,711,955.00/39,083.60
  6. Step 6: Final answer
    x = 27,472.19

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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.