Home / 56,974.78-78,609.99-31,823.74

Finding the Fourth Proportional to 56,974.78, 78,609.99 and 31,823.74

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Solution

The fourth proportional to 56,974.78, 78,609.99 and 31,823.74 is: 43,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,974.78 : 78,609.99 = 31,823.74 : x
  2. Step 2: Convert to fraction form
    56,974.78/78,609.99 = 31,823.74/x
  3. Step 3: Cross multiply
    56,974.78x = 78,609.99 × 31,823.74
  4. Step 4: Simplify right side
    56,974.78x = 2,501,663,883.16
  5. Step 5: Solve for x
    x = 2,501,663,883.16/56,974.78
  6. Step 6: Final answer
    x = 43,908.27

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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.