Home / 48,399.22-72,563.05-20,327.59

Finding the Fourth Proportional to 48,399.22, 72,563.05 and 20,327.59

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Solution

The fourth proportional to 48,399.22, 72,563.05 and 20,327.59 is: 30,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,399.22 : 72,563.05 = 20,327.59 : x
  2. Step 2: Convert to fraction form
    48,399.22/72,563.05 = 20,327.59/x
  3. Step 3: Cross multiply
    48,399.22x = 72,563.05 × 20,327.59
  4. Step 4: Simplify right side
    48,399.22x = 1,475,031,929.55
  5. Step 5: Solve for x
    x = 1,475,031,929.55/48,399.22
  6. Step 6: Final answer
    x = 30,476.36

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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.