Home / 39,164.40-58,746.60-18,104.40

Finding the Fourth Proportional to 39,164.40, 58,746.60 and 18,104.40

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Solution

The fourth proportional to 39,164.40, 58,746.60 and 18,104.40 is: 27,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,164.40 : 58,746.60 = 18,104.40 : x
  2. Step 2: Convert to fraction form
    39,164.40/58,746.60 = 18,104.40/x
  3. Step 3: Cross multiply
    39,164.40x = 58,746.60 × 18,104.40
  4. Step 4: Simplify right side
    39,164.40x = 1,063,571,945.04
  5. Step 5: Solve for x
    x = 1,063,571,945.04/39,164.40
  6. Step 6: Final answer
    x = 27,156.60

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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.