Home / 39,284.60-54,211.68-22,288.37

Finding the Fourth Proportional to 39,284.60, 54,211.68 and 22,288.37

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Solution

The fourth proportional to 39,284.60, 54,211.68 and 22,288.37 is: 30,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,284.60 : 54,211.68 = 22,288.37 : x
  2. Step 2: Convert to fraction form
    39,284.60/54,211.68 = 22,288.37/x
  3. Step 3: Cross multiply
    39,284.60x = 54,211.68 × 22,288.37
  4. Step 4: Simplify right side
    39,284.60x = 1,208,289,711.10
  5. Step 5: Solve for x
    x = 1,208,289,711.10/39,284.60
  6. Step 6: Final answer
    x = 30,757.34

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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.