Home / 40,209.12-60,365.52-21,754.08

Finding the Fourth Proportional to 40,209.12, 60,365.52 and 21,754.08

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Solution

The fourth proportional to 40,209.12, 60,365.52 and 21,754.08 is: 32,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.12 : 60,365.52 = 21,754.08 : x
  2. Step 2: Convert to fraction form
    40,209.12/60,365.52 = 21,754.08/x
  3. Step 3: Cross multiply
    40,209.12x = 60,365.52 × 21,754.08
  4. Step 4: Simplify right side
    40,209.12x = 1,313,196,351.32
  5. Step 5: Solve for x
    x = 1,313,196,351.32/40,209.12
  6. Step 6: Final answer
    x = 32,659.17

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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.