Home / 52,135.25-78,190.88-31,081.24

Finding the Fourth Proportional to 52,135.25, 78,190.88 and 31,081.24

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Solution

The fourth proportional to 52,135.25, 78,190.88 and 31,081.24 is: 46,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,135.25 : 78,190.88 = 31,081.24 : x
  2. Step 2: Convert to fraction form
    52,135.25/78,190.88 = 31,081.24/x
  3. Step 3: Cross multiply
    52,135.25x = 78,190.88 × 31,081.24
  4. Step 4: Simplify right side
    52,135.25x = 2,430,269,389.32
  5. Step 5: Solve for x
    x = 2,430,269,389.32/52,135.25
  6. Step 6: Final answer
    x = 46,614.70

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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.