Home / 48,359.68-72,453.56-20,217.76

Finding the Fourth Proportional to 48,359.68, 72,453.56 and 20,217.76

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Solution

The fourth proportional to 48,359.68, 72,453.56 and 20,217.76 is: 30,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,359.68 : 72,453.56 = 20,217.76 : x
  2. Step 2: Convert to fraction form
    48,359.68/72,453.56 = 20,217.76/x
  3. Step 3: Cross multiply
    48,359.68x = 72,453.56 × 20,217.76
  4. Step 4: Simplify right side
    48,359.68x = 1,464,848,687.23
  5. Step 5: Solve for x
    x = 1,464,848,687.23/48,359.68
  6. Step 6: Final answer
    x = 30,290.70

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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.