Home / 48,555.48-72,861.54-20,473.80

Finding the Fourth Proportional to 48,555.48, 72,861.54 and 20,473.80

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Solution

The fourth proportional to 48,555.48, 72,861.54 and 20,473.80 is: 30,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,555.48 : 72,861.54 = 20,473.80 : x
  2. Step 2: Convert to fraction form
    48,555.48/72,861.54 = 20,473.80/x
  3. Step 3: Cross multiply
    48,555.48x = 72,861.54 × 20,473.80
  4. Step 4: Simplify right side
    48,555.48x = 1,491,752,597.65
  5. Step 5: Solve for x
    x = 1,491,752,597.65/48,555.48
  6. Step 6: Final answer
    x = 30,722.64

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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.