Home / 52,088.23-78,135.78-20,495.80

Finding the Fourth Proportional to 52,088.23, 78,135.78 and 20,495.80

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Solution

The fourth proportional to 52,088.23, 78,135.78 and 20,495.80 is: 30,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,088.23 : 78,135.78 = 20,495.80 : x
  2. Step 2: Convert to fraction form
    52,088.23/78,135.78 = 20,495.80/x
  3. Step 3: Cross multiply
    52,088.23x = 78,135.78 × 20,495.80
  4. Step 4: Simplify right side
    52,088.23x = 1,601,455,319.72
  5. Step 5: Solve for x
    x = 1,601,455,319.72/52,088.23
  6. Step 6: Final answer
    x = 30,745.05

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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.