Home / 51,382.58-77,021.30-29,148.98

Finding the Fourth Proportional to 51,382.58, 77,021.30 and 29,148.98

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Solution

The fourth proportional to 51,382.58, 77,021.30 and 29,148.98 is: 43,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,382.58 : 77,021.30 = 29,148.98 : x
  2. Step 2: Convert to fraction form
    51,382.58/77,021.30 = 29,148.98/x
  3. Step 3: Cross multiply
    51,382.58x = 77,021.30 × 29,148.98
  4. Step 4: Simplify right side
    51,382.58x = 2,245,092,021.04
  5. Step 5: Solve for x
    x = 2,245,092,021.04/51,382.58
  6. Step 6: Final answer
    x = 43,693.65

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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.