Home / 32,821.28-49,227.28-18,735.62

Finding the Fourth Proportional to 32,821.28, 49,227.28 and 18,735.62

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Solution

The fourth proportional to 32,821.28, 49,227.28 and 18,735.62 is: 28,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,821.28 : 49,227.28 = 18,735.62 : x
  2. Step 2: Convert to fraction form
    32,821.28/49,227.28 = 18,735.62/x
  3. Step 3: Cross multiply
    32,821.28x = 49,227.28 × 18,735.62
  4. Step 4: Simplify right side
    32,821.28x = 922,303,518.04
  5. Step 5: Solve for x
    x = 922,303,518.04/32,821.28
  6. Step 6: Final answer
    x = 28,100.78

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1.5x scale

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.