Home / 51,319.68-77,051.10-26,380.86

Finding the Fourth Proportional to 51,319.68, 77,051.10 and 26,380.86

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Solution

The fourth proportional to 51,319.68, 77,051.10 and 26,380.86 is: 39,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,319.68 : 77,051.10 = 26,380.86 : x
  2. Step 2: Convert to fraction form
    51,319.68/77,051.10 = 26,380.86/x
  3. Step 3: Cross multiply
    51,319.68x = 77,051.10 × 26,380.86
  4. Step 4: Simplify right side
    51,319.68x = 2,032,674,281.95
  5. Step 5: Solve for x
    x = 2,032,674,281.95/51,319.68
  6. Step 6: Final answer
    x = 39,608.09

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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.