Home / 48,499.28-72,749.88-20,797.52

Finding the Fourth Proportional to 48,499.28, 72,749.88 and 20,797.52

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Solution

The fourth proportional to 48,499.28, 72,749.88 and 20,797.52 is: 31,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499.28 : 72,749.88 = 20,797.52 : x
  2. Step 2: Convert to fraction form
    48,499.28/72,749.88 = 20,797.52/x
  3. Step 3: Cross multiply
    48,499.28x = 72,749.88 × 20,797.52
  4. Step 4: Simplify right side
    48,499.28x = 1,513,017,084.30
  5. Step 5: Solve for x
    x = 1,513,017,084.30/48,499.28
  6. Step 6: Final answer
    x = 31,196.69

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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.