Home / 39,649.48-54,773.22-31,681.24

Finding the Fourth Proportional to 39,649.48, 54,773.22 and 31,681.24

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Solution

The fourth proportional to 39,649.48, 54,773.22 and 31,681.24 is: 43,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.48 : 54,773.22 = 31,681.24 : x
  2. Step 2: Convert to fraction form
    39,649.48/54,773.22 = 31,681.24/x
  3. Step 3: Cross multiply
    39,649.48x = 54,773.22 × 31,681.24
  4. Step 4: Simplify right side
    39,649.48x = 1,735,283,528.39
  5. Step 5: Solve for x
    x = 1,735,283,528.39/39,649.48
  6. Step 6: Final answer
    x = 43,765.61

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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.