Home / 48,536.99-72,822.90-18,976.04

Finding the Fourth Proportional to 48,536.99, 72,822.90 and 18,976.04

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Solution

The fourth proportional to 48,536.99, 72,822.90 and 18,976.04 is: 28,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,536.99 : 72,822.90 = 18,976.04 : x
  2. Step 2: Convert to fraction form
    48,536.99/72,822.90 = 18,976.04/x
  3. Step 3: Cross multiply
    48,536.99x = 72,822.90 × 18,976.04
  4. Step 4: Simplify right side
    48,536.99x = 1,381,890,136.71
  5. Step 5: Solve for x
    x = 1,381,890,136.71/48,536.99
  6. Step 6: Final answer
    x = 28,470.87

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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.