Home / 32,619.28-45,021.60-19,876.60

Finding the Fourth Proportional to 32,619.28, 45,021.60 and 19,876.60

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Solution

The fourth proportional to 32,619.28, 45,021.60 and 19,876.60 is: 27,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.28 : 45,021.60 = 19,876.60 : x
  2. Step 2: Convert to fraction form
    32,619.28/45,021.60 = 19,876.60/x
  3. Step 3: Cross multiply
    32,619.28x = 45,021.60 × 19,876.60
  4. Step 4: Simplify right side
    32,619.28x = 894,876,334.56
  5. Step 5: Solve for x
    x = 894,876,334.56/32,619.28
  6. Step 6: Final answer
    x = 27,433.97

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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.