Home / 48,655.83-72,993.61-20,575.81

Finding the Fourth Proportional to 48,655.83, 72,993.61 and 20,575.81

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Solution

The fourth proportional to 48,655.83, 72,993.61 and 20,575.81 is: 30,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.83 : 72,993.61 = 20,575.81 : x
  2. Step 2: Convert to fraction form
    48,655.83/72,993.61 = 20,575.81/x
  3. Step 3: Cross multiply
    48,655.83x = 72,993.61 × 20,575.81
  4. Step 4: Simplify right side
    48,655.83x = 1,501,902,650.57
  5. Step 5: Solve for x
    x = 1,501,902,650.57/48,655.83
  6. Step 6: Final answer
    x = 30,867.89

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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.