Home / 51,177.02-76,787.85-17,920.95

Finding the Fourth Proportional to 51,177.02, 76,787.85 and 17,920.95

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Solution

The fourth proportional to 51,177.02, 76,787.85 and 17,920.95 is: 26,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,177.02 : 76,787.85 = 17,920.95 : x
  2. Step 2: Convert to fraction form
    51,177.02/76,787.85 = 17,920.95/x
  3. Step 3: Cross multiply
    51,177.02x = 76,787.85 × 17,920.95
  4. Step 4: Simplify right side
    51,177.02x = 1,376,110,898.90
  5. Step 5: Solve for x
    x = 1,376,110,898.90/51,177.02
  6. Step 6: Final answer
    x = 26,889.24

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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.