Home / 32,470.76-48,688.86-19,149.32

Finding the Fourth Proportional to 32,470.76, 48,688.86 and 19,149.32

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Solution

The fourth proportional to 32,470.76, 48,688.86 and 19,149.32 is: 28,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,470.76 : 48,688.86 = 19,149.32 : x
  2. Step 2: Convert to fraction form
    32,470.76/48,688.86 = 19,149.32/x
  3. Step 3: Cross multiply
    32,470.76x = 48,688.86 × 19,149.32
  4. Step 4: Simplify right side
    32,470.76x = 932,358,560.58
  5. Step 5: Solve for x
    x = 932,358,560.58/32,470.76
  6. Step 6: Final answer
    x = 28,713.79

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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.