Home / 39,961.59-55,146.87-22,056.47

Finding the Fourth Proportional to 39,961.59, 55,146.87 and 22,056.47

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Solution

The fourth proportional to 39,961.59, 55,146.87 and 22,056.47 is: 30,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.59 : 55,146.87 = 22,056.47 : x
  2. Step 2: Convert to fraction form
    39,961.59/55,146.87 = 22,056.47/x
  3. Step 3: Cross multiply
    39,961.59x = 55,146.87 × 22,056.47
  4. Step 4: Simplify right side
    39,961.59x = 1,216,345,283.75
  5. Step 5: Solve for x
    x = 1,216,345,283.75/39,961.59
  6. Step 6: Final answer
    x = 30,437.86

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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.