Home / 32,981.44-49,489.20-21,141.60

Finding the Fourth Proportional to 32,981.44, 49,489.20 and 21,141.60

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Solution

The fourth proportional to 32,981.44, 49,489.20 and 21,141.60 is: 31,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.44 : 49,489.20 = 21,141.60 : x
  2. Step 2: Convert to fraction form
    32,981.44/49,489.20 = 21,141.60/x
  3. Step 3: Cross multiply
    32,981.44x = 49,489.20 × 21,141.60
  4. Step 4: Simplify right side
    32,981.44x = 1,046,280,870.72
  5. Step 5: Solve for x
    x = 1,046,280,870.72/32,981.44
  6. Step 6: Final answer
    x = 31,723.32

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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.