Home / 39,961.58-55,147.38-22,056.20

Finding the Fourth Proportional to 39,961.58, 55,147.38 and 22,056.20

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Solution

The fourth proportional to 39,961.58, 55,147.38 and 22,056.20 is: 30,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.58 : 55,147.38 = 22,056.20 : x
  2. Step 2: Convert to fraction form
    39,961.58/55,147.38 = 22,056.20/x
  3. Step 3: Cross multiply
    39,961.58x = 55,147.38 × 22,056.20
  4. Step 4: Simplify right side
    39,961.58x = 1,216,341,367.02
  5. Step 5: Solve for x
    x = 1,216,341,367.02/39,961.58
  6. Step 6: Final answer
    x = 30,437.77

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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.