Home / 52,051.08-78,060.51-18,766.86

Finding the Fourth Proportional to 52,051.08, 78,060.51 and 18,766.86

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Solution

The fourth proportional to 52,051.08, 78,060.51 and 18,766.86 is: 28,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.08 : 78,060.51 = 18,766.86 : x
  2. Step 2: Convert to fraction form
    52,051.08/78,060.51 = 18,766.86/x
  3. Step 3: Cross multiply
    52,051.08x = 78,060.51 × 18,766.86
  4. Step 4: Simplify right side
    52,051.08x = 1,464,950,662.70
  5. Step 5: Solve for x
    x = 1,464,950,662.70/52,051.08
  6. Step 6: Final answer
    x = 28,144.48

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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.