Home / 48,343.32-72,518.22-13,286.52

Finding the Fourth Proportional to 48,343.32, 72,518.22 and 13,286.52

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Solution

The fourth proportional to 48,343.32, 72,518.22 and 13,286.52 is: 19,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,343.32 : 72,518.22 = 13,286.52 : x
  2. Step 2: Convert to fraction form
    48,343.32/72,518.22 = 13,286.52/x
  3. Step 3: Cross multiply
    48,343.32x = 72,518.22 × 13,286.52
  4. Step 4: Simplify right side
    48,343.32x = 963,514,780.39
  5. Step 5: Solve for x
    x = 963,514,780.39/48,343.32
  6. Step 6: Final answer
    x = 19,930.67

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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.