Home / 39,289.20-54,220.48-22,293.50

Finding the Fourth Proportional to 39,289.20, 54,220.48 and 22,293.50

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Solution

The fourth proportional to 39,289.20, 54,220.48 and 22,293.50 is: 30,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.20 : 54,220.48 = 22,293.50 : x
  2. Step 2: Convert to fraction form
    39,289.20/54,220.48 = 22,293.50/x
  3. Step 3: Cross multiply
    39,289.20x = 54,220.48 × 22,293.50
  4. Step 4: Simplify right side
    39,289.20x = 1,208,764,270.88
  5. Step 5: Solve for x
    x = 1,208,764,270.88/39,289.20
  6. Step 6: Final answer
    x = 30,765.82

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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.