Home / 48,633.20-72,909.30-20,574.80

Finding the Fourth Proportional to 48,633.20, 72,909.30 and 20,574.80

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Solution

The fourth proportional to 48,633.20, 72,909.30 and 20,574.80 is: 30,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,633.20 : 72,909.30 = 20,574.80 : x
  2. Step 2: Convert to fraction form
    48,633.20/72,909.30 = 20,574.80/x
  3. Step 3: Cross multiply
    48,633.20x = 72,909.30 × 20,574.80
  4. Step 4: Simplify right side
    48,633.20x = 1,500,094,265.64
  5. Step 5: Solve for x
    x = 1,500,094,265.64/48,633.20
  6. Step 6: Final answer
    x = 30,845.07

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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.