Home / 39,454.41-54,439.86-22,457.66

Finding the Fourth Proportional to 39,454.41, 54,439.86 and 22,457.66

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Solution

The fourth proportional to 39,454.41, 54,439.86 and 22,457.66 is: 30,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,454.41 : 54,439.86 = 22,457.66 : x
  2. Step 2: Convert to fraction form
    39,454.41/54,439.86 = 22,457.66/x
  3. Step 3: Cross multiply
    39,454.41x = 54,439.86 × 22,457.66
  4. Step 4: Simplify right side
    39,454.41x = 1,222,591,866.33
  5. Step 5: Solve for x
    x = 1,222,591,866.33/39,454.41
  6. Step 6: Final answer
    x = 30,987.46

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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.