Home / 51,310.18-70,795.42-31,165.86

Finding the Fourth Proportional to 51,310.18, 70,795.42 and 31,165.86

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Solution

The fourth proportional to 51,310.18, 70,795.42 and 31,165.86 is: 43,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.18 : 70,795.42 = 31,165.86 : x
  2. Step 2: Convert to fraction form
    51,310.18/70,795.42 = 31,165.86/x
  3. Step 3: Cross multiply
    51,310.18x = 70,795.42 × 31,165.86
  4. Step 4: Simplify right side
    51,310.18x = 2,206,400,148.36
  5. Step 5: Solve for x
    x = 2,206,400,148.36/51,310.18
  6. Step 6: Final answer
    x = 43,001.22

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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.