Home / 39,242.57-58,865.88-12,949.35

Finding the Fourth Proportional to 39,242.57, 58,865.88 and 12,949.35

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Solution

The fourth proportional to 39,242.57, 58,865.88 and 12,949.35 is: 19,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.57 : 58,865.88 = 12,949.35 : x
  2. Step 2: Convert to fraction form
    39,242.57/58,865.88 = 12,949.35/x
  3. Step 3: Cross multiply
    39,242.57x = 58,865.88 × 12,949.35
  4. Step 4: Simplify right side
    39,242.57x = 762,274,883.18
  5. Step 5: Solve for x
    x = 762,274,883.18/39,242.57
  6. Step 6: Final answer
    x = 19,424.70

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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.