Home / 39,102.19-58,632.10-13,789.04

Finding the Fourth Proportional to 39,102.19, 58,632.10 and 13,789.04

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Solution

The fourth proportional to 39,102.19, 58,632.10 and 13,789.04 is: 20,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.19 : 58,632.10 = 13,789.04 : x
  2. Step 2: Convert to fraction form
    39,102.19/58,632.10 = 13,789.04/x
  3. Step 3: Cross multiply
    39,102.19x = 58,632.10 × 13,789.04
  4. Step 4: Simplify right side
    39,102.19x = 808,480,122.11
  5. Step 5: Solve for x
    x = 808,480,122.11/39,102.19
  6. Step 6: Final answer
    x = 20,676.08

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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.