Home / 39,451.66-54,443.64-22,457.00

Finding the Fourth Proportional to 39,451.66, 54,443.64 and 22,457.00

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Solution

The fourth proportional to 39,451.66, 54,443.64 and 22,457.00 is: 30,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.66 : 54,443.64 = 22,457.00 : x
  2. Step 2: Convert to fraction form
    39,451.66/54,443.64 = 22,457.00/x
  3. Step 3: Cross multiply
    39,451.66x = 54,443.64 × 22,457.00
  4. Step 4: Simplify right side
    39,451.66x = 1,222,640,438.98
  5. Step 5: Solve for x
    x = 1,222,640,438.98/39,451.66
  6. Step 6: Final answer
    x = 30,990.85

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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.