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Finding the Fourth Proportional to 32,504.86, 48,769.39 and 19,880.51

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Solution

The fourth proportional to 32,504.86, 48,769.39 and 19,880.51 is: 29,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,504.86 : 48,769.39 = 19,880.51 : x
  2. Step 2: Convert to fraction form
    32,504.86/48,769.39 = 19,880.51/x
  3. Step 3: Cross multiply
    32,504.86x = 48,769.39 × 19,880.51
  4. Step 4: Simplify right side
    32,504.86x = 969,560,126.59
  5. Step 5: Solve for x
    x = 969,560,126.59/32,504.86
  6. Step 6: Final answer
    x = 29,828.16

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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.