Home / 48,605.76-72,918.81-20,525.90

Finding the Fourth Proportional to 48,605.76, 72,918.81 and 20,525.90

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Solution

The fourth proportional to 48,605.76, 72,918.81 and 20,525.90 is: 30,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.76 : 72,918.81 = 20,525.90 : x
  2. Step 2: Convert to fraction form
    48,605.76/72,918.81 = 20,525.90/x
  3. Step 3: Cross multiply
    48,605.76x = 72,918.81 × 20,525.90
  4. Step 4: Simplify right side
    48,605.76x = 1,496,723,837.58
  5. Step 5: Solve for x
    x = 1,496,723,837.58/48,605.76
  6. Step 6: Final answer
    x = 30,793.14

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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.