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Finding the Fourth Proportional to 51,354.35, 76,978.67 and 25,026.51

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Solution

The fourth proportional to 51,354.35, 76,978.67 and 25,026.51 is: 37,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354.35 : 76,978.67 = 25,026.51 : x
  2. Step 2: Convert to fraction form
    51,354.35/76,978.67 = 25,026.51/x
  3. Step 3: Cross multiply
    51,354.35x = 76,978.67 × 25,026.51
  4. Step 4: Simplify right side
    51,354.35x = 1,926,507,329.41
  5. Step 5: Solve for x
    x = 1,926,507,329.41/51,354.35
  6. Step 6: Final answer
    x = 37,514.01

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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.