Home / 37,350.96-55,968-31,781.40

Finding the Fourth Proportional to 37,350.96, 55,968 and 31,781.40

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Solution

The fourth proportional to 37,350.96, 55,968 and 31,781.40 is: 47,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,350.96 : 55,968 = 31,781.40 : x
  2. Step 2: Convert to fraction form
    37,350.96/55,968 = 31,781.40/x
  3. Step 3: Cross multiply
    37,350.96x = 55,968 × 31,781.40
  4. Step 4: Simplify right side
    37,350.96x = 1,778,741,395.20
  5. Step 5: Solve for x
    x = 1,778,741,395.20/37,350.96
  6. Step 6: Final answer
    x = 47,622.37

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1.5x scale

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.