Home / 43,196-64,766.34-18,229.28

Finding the Fourth Proportional to 43,196, 64,766.34 and 18,229.28

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Solution

The fourth proportional to 43,196, 64,766.34 and 18,229.28 is: 27,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,196 : 64,766.34 = 18,229.28 : x
  2. Step 2: Convert to fraction form
    43,196/64,766.34 = 18,229.28/x
  3. Step 3: Cross multiply
    43,196x = 64,766.34 × 18,229.28
  4. Step 4: Simplify right side
    43,196x = 1,180,643,746.44
  5. Step 5: Solve for x
    x = 1,180,643,746.44/43,196
  6. Step 6: Final answer
    x = 27,332.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.