Home / 48,582.87-72,860.22-20,509.17

Finding the Fourth Proportional to 48,582.87, 72,860.22 and 20,509.17

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Solution

The fourth proportional to 48,582.87, 72,860.22 and 20,509.17 is: 30,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,582.87 : 72,860.22 = 20,509.17 : x
  2. Step 2: Convert to fraction form
    48,582.87/72,860.22 = 20,509.17/x
  3. Step 3: Cross multiply
    48,582.87x = 72,860.22 × 20,509.17
  4. Step 4: Simplify right side
    48,582.87x = 1,494,302,638.22
  5. Step 5: Solve for x
    x = 1,494,302,638.22/48,582.87
  6. Step 6: Final answer
    x = 30,757.81

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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.