Home / 39,579.78-59,353.68-14,272.08

Finding the Fourth Proportional to 39,579.78, 59,353.68 and 14,272.08

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Solution

The fourth proportional to 39,579.78, 59,353.68 and 14,272.08 is: 21,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,579.78 : 59,353.68 = 14,272.08 : x
  2. Step 2: Convert to fraction form
    39,579.78/59,353.68 = 14,272.08/x
  3. Step 3: Cross multiply
    39,579.78x = 59,353.68 × 14,272.08
  4. Step 4: Simplify right side
    39,579.78x = 847,100,469.25
  5. Step 5: Solve for x
    x = 847,100,469.25/39,579.78
  6. Step 6: Final answer
    x = 21,402.35

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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.