Home / 51,538.76-77,326.56-31,794.36

Finding the Fourth Proportional to 51,538.76, 77,326.56 and 31,794.36

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Solution

The fourth proportional to 51,538.76, 77,326.56 and 31,794.36 is: 47,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.76 : 77,326.56 = 31,794.36 : x
  2. Step 2: Convert to fraction form
    51,538.76/77,326.56 = 31,794.36/x
  3. Step 3: Cross multiply
    51,538.76x = 77,326.56 × 31,794.36
  4. Step 4: Simplify right side
    51,538.76x = 2,458,548,486.20
  5. Step 5: Solve for x
    x = 2,458,548,486.20/51,538.76
  6. Step 6: Final answer
    x = 47,702.90

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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.