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Finding the Fourth Proportional to 32,947.20, 49,428.62 and 10,760.54

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Solution

The fourth proportional to 32,947.20, 49,428.62 and 10,760.54 is: 16,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,947.20 : 49,428.62 = 10,760.54 : x
  2. Step 2: Convert to fraction form
    32,947.20/49,428.62 = 10,760.54/x
  3. Step 3: Cross multiply
    32,947.20x = 49,428.62 × 10,760.54
  4. Step 4: Simplify right side
    32,947.20x = 531,878,341.71
  5. Step 5: Solve for x
    x = 531,878,341.71/32,947.20
  6. Step 6: Final answer
    x = 16,143.35

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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.