Home / 31,647.36-43,657.44-29,395.92

Finding the Fourth Proportional to 31,647.36, 43,657.44 and 29,395.92

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Solution

The fourth proportional to 31,647.36, 43,657.44 and 29,395.92 is: 40,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,647.36 : 43,657.44 = 29,395.92 : x
  2. Step 2: Convert to fraction form
    31,647.36/43,657.44 = 29,395.92/x
  3. Step 3: Cross multiply
    31,647.36x = 43,657.44 × 29,395.92
  4. Step 4: Simplify right side
    31,647.36x = 1,283,350,613.64
  5. Step 5: Solve for x
    x = 1,283,350,613.64/31,647.36
  6. Step 6: Final answer
    x = 40,551.59

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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.