Home / 56,468.74-77,926.32-30,974.58

Finding the Fourth Proportional to 56,468.74, 77,926.32 and 30,974.58

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Solution

The fourth proportional to 56,468.74, 77,926.32 and 30,974.58 is: 42,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,468.74 : 77,926.32 = 30,974.58 : x
  2. Step 2: Convert to fraction form
    56,468.74/77,926.32 = 30,974.58/x
  3. Step 3: Cross multiply
    56,468.74x = 77,926.32 × 30,974.58
  4. Step 4: Simplify right side
    56,468.74x = 2,413,735,032.95
  5. Step 5: Solve for x
    x = 2,413,735,032.95/56,468.74
  6. Step 6: Final answer
    x = 42,744.62

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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.