Home / 52,518.36-78,788.01-15,078.74

Finding the Fourth Proportional to 52,518.36, 78,788.01 and 15,078.74

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Solution

The fourth proportional to 52,518.36, 78,788.01 and 15,078.74 is: 22,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,518.36 : 78,788.01 = 15,078.74 : x
  2. Step 2: Convert to fraction form
    52,518.36/78,788.01 = 15,078.74/x
  3. Step 3: Cross multiply
    52,518.36x = 78,788.01 × 15,078.74
  4. Step 4: Simplify right side
    52,518.36x = 1,188,023,523.97
  5. Step 5: Solve for x
    x = 1,188,023,523.97/52,518.36
  6. Step 6: Final answer
    x = 22,621.11

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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.