Home / 41,342.09-56,982.68-31,648.20

Finding the Fourth Proportional to 41,342.09, 56,982.68 and 31,648.20

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Solution

The fourth proportional to 41,342.09, 56,982.68 and 31,648.20 is: 43,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,342.09 : 56,982.68 = 31,648.20 : x
  2. Step 2: Convert to fraction form
    41,342.09/56,982.68 = 31,648.20/x
  3. Step 3: Cross multiply
    41,342.09x = 56,982.68 × 31,648.20
  4. Step 4: Simplify right side
    41,342.09x = 1,803,399,094.94
  5. Step 5: Solve for x
    x = 1,803,399,094.94/41,342.09
  6. Step 6: Final answer
    x = 43,621.39

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1.5x scale

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.