Home / 39,967.70-55,155.44-22,062.72

Finding the Fourth Proportional to 39,967.70, 55,155.44 and 22,062.72

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Solution

The fourth proportional to 39,967.70, 55,155.44 and 22,062.72 is: 30,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.70 : 55,155.44 = 22,062.72 : x
  2. Step 2: Convert to fraction form
    39,967.70/55,155.44 = 22,062.72/x
  3. Step 3: Cross multiply
    39,967.70x = 55,155.44 × 22,062.72
  4. Step 4: Simplify right side
    39,967.70x = 1,216,879,029.20
  5. Step 5: Solve for x
    x = 1,216,879,029.20/39,967.70
  6. Step 6: Final answer
    x = 30,446.56

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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.