Home / 51,787.16-77,682.46-14,347.61

Finding the Fourth Proportional to 51,787.16, 77,682.46 and 14,347.61

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Solution

The fourth proportional to 51,787.16, 77,682.46 and 14,347.61 is: 21,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,787.16 : 77,682.46 = 14,347.61 : x
  2. Step 2: Convert to fraction form
    51,787.16/77,682.46 = 14,347.61/x
  3. Step 3: Cross multiply
    51,787.16x = 77,682.46 × 14,347.61
  4. Step 4: Simplify right side
    51,787.16x = 1,114,557,639.92
  5. Step 5: Solve for x
    x = 1,114,557,639.92/51,787.16
  6. Step 6: Final answer
    x = 21,521.89

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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.