Home / 32,101.65-48,148.83-12,378.56

Finding the Fourth Proportional to 32,101.65, 48,148.83 and 12,378.56

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Solution

The fourth proportional to 32,101.65, 48,148.83 and 12,378.56 is: 18,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,101.65 : 48,148.83 = 12,378.56 : x
  2. Step 2: Convert to fraction form
    32,101.65/48,148.83 = 12,378.56/x
  3. Step 3: Cross multiply
    32,101.65x = 48,148.83 × 12,378.56
  4. Step 4: Simplify right side
    32,101.65x = 596,012,940.34
  5. Step 5: Solve for x
    x = 596,012,940.34/32,101.65
  6. Step 6: Final answer
    x = 18,566.43

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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.