Home / 56,668.90-78,204.78-31,173.96

Finding the Fourth Proportional to 56,668.90, 78,204.78 and 31,173.96

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Solution

The fourth proportional to 56,668.90, 78,204.78 and 31,173.96 is: 43,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.90 : 78,204.78 = 31,173.96 : x
  2. Step 2: Convert to fraction form
    56,668.90/78,204.78 = 31,173.96/x
  3. Step 3: Cross multiply
    56,668.90x = 78,204.78 × 31,173.96
  4. Step 4: Simplify right side
    56,668.90x = 2,437,952,683.53
  5. Step 5: Solve for x
    x = 2,437,952,683.53/56,668.90
  6. Step 6: Final answer
    x = 43,021.00

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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.