Home / 51,785.86-77,678.79-16,252.66

Finding the Fourth Proportional to 51,785.86, 77,678.79 and 16,252.66

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Solution

The fourth proportional to 51,785.86, 77,678.79 and 16,252.66 is: 24,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785.86 : 77,678.79 = 16,252.66 : x
  2. Step 2: Convert to fraction form
    51,785.86/77,678.79 = 16,252.66/x
  3. Step 3: Cross multiply
    51,785.86x = 77,678.79 × 16,252.66
  4. Step 4: Simplify right side
    51,785.86x = 1,262,486,963.08
  5. Step 5: Solve for x
    x = 1,262,486,963.08/51,785.86
  6. Step 6: Final answer
    x = 24,378.99

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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.