Home / 32,981.28-49,478.22-13,261.44

Finding the Fourth Proportional to 32,981.28, 49,478.22 and 13,261.44

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Solution

The fourth proportional to 32,981.28, 49,478.22 and 13,261.44 is: 19,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.28 : 49,478.22 = 13,261.44 : x
  2. Step 2: Convert to fraction form
    32,981.28/49,478.22 = 13,261.44/x
  3. Step 3: Cross multiply
    32,981.28x = 49,478.22 × 13,261.44
  4. Step 4: Simplify right side
    32,981.28x = 656,152,445.84
  5. Step 5: Solve for x
    x = 656,152,445.84/32,981.28
  6. Step 6: Final answer
    x = 19,894.69

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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.