Home / 40,329.36-60,441.48-20,591.28

Finding the Fourth Proportional to 40,329.36, 60,441.48 and 20,591.28

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Solution

The fourth proportional to 40,329.36, 60,441.48 and 20,591.28 is: 30,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329.36 : 60,441.48 = 20,591.28 : x
  2. Step 2: Convert to fraction form
    40,329.36/60,441.48 = 20,591.28/x
  3. Step 3: Cross multiply
    40,329.36x = 60,441.48 × 20,591.28
  4. Step 4: Simplify right side
    40,329.36x = 1,244,567,438.29
  5. Step 5: Solve for x
    x = 1,244,567,438.29/40,329.36
  6. Step 6: Final answer
    x = 30,860.08

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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.