Home / 39,446.11-59,178.89-18,664.75

Finding the Fourth Proportional to 39,446.11, 59,178.89 and 18,664.75

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Solution

The fourth proportional to 39,446.11, 59,178.89 and 18,664.75 is: 28,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.11 : 59,178.89 = 18,664.75 : x
  2. Step 2: Convert to fraction form
    39,446.11/59,178.89 = 18,664.75/x
  3. Step 3: Cross multiply
    39,446.11x = 59,178.89 × 18,664.75
  4. Step 4: Simplify right side
    39,446.11x = 1,104,559,187.13
  5. Step 5: Solve for x
    x = 1,104,559,187.13/39,446.11
  6. Step 6: Final answer
    x = 28,001.73

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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.