Home / 30,334.32-45,524.77-20,824.31

Finding the Fourth Proportional to 30,334.32, 45,524.77 and 20,824.31

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Solution

The fourth proportional to 30,334.32, 45,524.77 and 20,824.31 is: 31,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.32 : 45,524.77 = 20,824.31 : x
  2. Step 2: Convert to fraction form
    30,334.32/45,524.77 = 20,824.31/x
  3. Step 3: Cross multiply
    30,334.32x = 45,524.77 × 20,824.31
  4. Step 4: Simplify right side
    30,334.32x = 948,021,984.91
  5. Step 5: Solve for x
    x = 948,021,984.91/30,334.32
  6. Step 6: Final answer
    x = 31,252.46

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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.