Home / 37,940.40-52,395.66-31,291.92

Finding the Fourth Proportional to 37,940.40, 52,395.66 and 31,291.92

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Solution

The fourth proportional to 37,940.40, 52,395.66 and 31,291.92 is: 43,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.40 : 52,395.66 = 31,291.92 : x
  2. Step 2: Convert to fraction form
    37,940.40/52,395.66 = 31,291.92/x
  3. Step 3: Cross multiply
    37,940.40x = 52,395.66 × 31,291.92
  4. Step 4: Simplify right side
    37,940.40x = 1,639,560,801.07
  5. Step 5: Solve for x
    x = 1,639,560,801.07/37,940.40
  6. Step 6: Final answer
    x = 43,214.11

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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.