Home / 35,422.96-48,892.80-21,986.32

Finding the Fourth Proportional to 35,422.96, 48,892.80 and 21,986.32

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Solution

The fourth proportional to 35,422.96, 48,892.80 and 21,986.32 is: 30,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.96 : 48,892.80 = 21,986.32 : x
  2. Step 2: Convert to fraction form
    35,422.96/48,892.80 = 21,986.32/x
  3. Step 3: Cross multiply
    35,422.96x = 48,892.80 × 21,986.32
  4. Step 4: Simplify right side
    35,422.96x = 1,074,972,746.50
  5. Step 5: Solve for x
    x = 1,074,972,746.50/35,422.96
  6. Step 6: Final answer
    x = 30,346.78

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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.