Home / 39,289.28-54,209.94-22,289.76

Finding the Fourth Proportional to 39,289.28, 54,209.94 and 22,289.76

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Solution

The fourth proportional to 39,289.28, 54,209.94 and 22,289.76 is: 30,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.28 : 54,209.94 = 22,289.76 : x
  2. Step 2: Convert to fraction form
    39,289.28/54,209.94 = 22,289.76/x
  3. Step 3: Cross multiply
    39,289.28x = 54,209.94 × 22,289.76
  4. Step 4: Simplify right side
    39,289.28x = 1,208,326,552.21
  5. Step 5: Solve for x
    x = 1,208,326,552.21/39,289.28
  6. Step 6: Final answer
    x = 30,754.61

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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.