Home / 40,770.72-61,065.66-31,341.36

Finding the Fourth Proportional to 40,770.72, 61,065.66 and 31,341.36

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Solution

The fourth proportional to 40,770.72, 61,065.66 and 31,341.36 is: 46,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.72 : 61,065.66 = 31,341.36 : x
  2. Step 2: Convert to fraction form
    40,770.72/61,065.66 = 31,341.36/x
  3. Step 3: Cross multiply
    40,770.72x = 61,065.66 × 31,341.36
  4. Step 4: Simplify right side
    40,770.72x = 1,913,880,833.70
  5. Step 5: Solve for x
    x = 1,913,880,833.70/40,770.72
  6. Step 6: Final answer
    x = 46,942.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.