Home / 51,781.83-77,505.68-26,787.47

Finding the Fourth Proportional to 51,781.83, 77,505.68 and 26,787.47

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Solution

The fourth proportional to 51,781.83, 77,505.68 and 26,787.47 is: 40,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.83 : 77,505.68 = 26,787.47 : x
  2. Step 2: Convert to fraction form
    51,781.83/77,505.68 = 26,787.47/x
  3. Step 3: Cross multiply
    51,781.83x = 77,505.68 × 26,787.47
  4. Step 4: Simplify right side
    51,781.83x = 2,076,180,556.36
  5. Step 5: Solve for x
    x = 2,076,180,556.36/51,781.83
  6. Step 6: Final answer
    x = 40,094.77

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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.