Home / 52,138.87-78,147.76-23,999.84

Finding the Fourth Proportional to 52,138.87, 78,147.76 and 23,999.84

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Solution

The fourth proportional to 52,138.87, 78,147.76 and 23,999.84 is: 35,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,138.87 : 78,147.76 = 23,999.84 : x
  2. Step 2: Convert to fraction form
    52,138.87/78,147.76 = 23,999.84/x
  3. Step 3: Cross multiply
    52,138.87x = 78,147.76 × 23,999.84
  4. Step 4: Simplify right side
    52,138.87x = 1,875,533,736.36
  5. Step 5: Solve for x
    x = 1,875,533,736.36/52,138.87
  6. Step 6: Final answer
    x = 35,971.89

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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.