Home / 48,620.42-72,882.18-20,547.54

Finding the Fourth Proportional to 48,620.42, 72,882.18 and 20,547.54

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Solution

The fourth proportional to 48,620.42, 72,882.18 and 20,547.54 is: 30,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.42 : 72,882.18 = 20,547.54 : x
  2. Step 2: Convert to fraction form
    48,620.42/72,882.18 = 20,547.54/x
  3. Step 3: Cross multiply
    48,620.42x = 72,882.18 × 20,547.54
  4. Step 4: Simplify right side
    48,620.42x = 1,497,549,508.84
  5. Step 5: Solve for x
    x = 1,497,549,508.84/48,620.42
  6. Step 6: Final answer
    x = 30,800.83

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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.