Home / 40,255.07-60,399.69-21,530.25

Finding the Fourth Proportional to 40,255.07, 60,399.69 and 21,530.25

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Solution

The fourth proportional to 40,255.07, 60,399.69 and 21,530.25 is: 32,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.07 : 60,399.69 = 21,530.25 : x
  2. Step 2: Convert to fraction form
    40,255.07/60,399.69 = 21,530.25/x
  3. Step 3: Cross multiply
    40,255.07x = 60,399.69 × 21,530.25
  4. Step 4: Simplify right side
    40,255.07x = 1,300,420,425.62
  5. Step 5: Solve for x
    x = 1,300,420,425.62/40,255.07
  6. Step 6: Final answer
    x = 32,304.52

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1.5x scale

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.