Home / 56,657.58-78,187.62-31,166.57

Finding the Fourth Proportional to 56,657.58, 78,187.62 and 31,166.57

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Solution

The fourth proportional to 56,657.58, 78,187.62 and 31,166.57 is: 43,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657.58 : 78,187.62 = 31,166.57 : x
  2. Step 2: Convert to fraction form
    56,657.58/78,187.62 = 31,166.57/x
  3. Step 3: Cross multiply
    56,657.58x = 78,187.62 × 31,166.57
  4. Step 4: Simplify right side
    56,657.58x = 2,436,839,540.93
  5. Step 5: Solve for x
    x = 2,436,839,540.93/56,657.58
  6. Step 6: Final answer
    x = 43,009.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.