Home / 51,270.32-76,905-16,209.98

Finding the Fourth Proportional to 51,270.32, 76,905 and 16,209.98

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Solution

The fourth proportional to 51,270.32, 76,905 and 16,209.98 is: 24,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270.32 : 76,905 = 16,209.98 : x
  2. Step 2: Convert to fraction form
    51,270.32/76,905 = 16,209.98/x
  3. Step 3: Cross multiply
    51,270.32x = 76,905 × 16,209.98
  4. Step 4: Simplify right side
    51,270.32x = 1,246,628,511.90
  5. Step 5: Solve for x
    x = 1,246,628,511.90/51,270.32
  6. Step 6: Final answer
    x = 24,314.82

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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.