Home / 39,216.76-54,114.36-22,222.96

Finding the Fourth Proportional to 39,216.76, 54,114.36 and 22,222.96

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Solution

The fourth proportional to 39,216.76, 54,114.36 and 22,222.96 is: 30,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.76 : 54,114.36 = 22,222.96 : x
  2. Step 2: Convert to fraction form
    39,216.76/54,114.36 = 22,222.96/x
  3. Step 3: Cross multiply
    39,216.76x = 54,114.36 × 22,222.96
  4. Step 4: Simplify right side
    39,216.76x = 1,202,581,257.71
  5. Step 5: Solve for x
    x = 1,202,581,257.71/39,216.76
  6. Step 6: Final answer
    x = 30,664.98

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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.