Home / 51,335.69-76,816.20-30,285.82

Finding the Fourth Proportional to 51,335.69, 76,816.20 and 30,285.82

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Solution

The fourth proportional to 51,335.69, 76,816.20 and 30,285.82 is: 45,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,335.69 : 76,816.20 = 30,285.82 : x
  2. Step 2: Convert to fraction form
    51,335.69/76,816.20 = 30,285.82/x
  3. Step 3: Cross multiply
    51,335.69x = 76,816.20 × 30,285.82
  4. Step 4: Simplify right side
    51,335.69x = 2,326,441,070.77
  5. Step 5: Solve for x
    x = 2,326,441,070.77/51,335.69
  6. Step 6: Final answer
    x = 45,318.20

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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.