Home / 39,388.92-54,367.95-22,402.32

Finding the Fourth Proportional to 39,388.92, 54,367.95 and 22,402.32

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Solution

The fourth proportional to 39,388.92, 54,367.95 and 22,402.32 is: 30,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388.92 : 54,367.95 = 22,402.32 : x
  2. Step 2: Convert to fraction form
    39,388.92/54,367.95 = 22,402.32/x
  3. Step 3: Cross multiply
    39,388.92x = 54,367.95 × 22,402.32
  4. Step 4: Simplify right side
    39,388.92x = 1,217,968,213.64
  5. Step 5: Solve for x
    x = 1,217,968,213.64/39,388.92
  6. Step 6: Final answer
    x = 30,921.59

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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.