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Finding the Fourth Proportional to 37,891.83, 56,799.81 and 31,248.81

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Solution

The fourth proportional to 37,891.83, 56,799.81 and 31,248.81 is: 46,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,891.83 : 56,799.81 = 31,248.81 : x
  2. Step 2: Convert to fraction form
    37,891.83/56,799.81 = 31,248.81/x
  3. Step 3: Cross multiply
    37,891.83x = 56,799.81 × 31,248.81
  4. Step 4: Simplify right side
    37,891.83x = 1,774,926,542.59
  5. Step 5: Solve for x
    x = 1,774,926,542.59/37,891.83
  6. Step 6: Final answer
    x = 46,841.94

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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.