Home / 47,536.14-71,298.81-12,478.53

Finding the Fourth Proportional to 47,536.14, 71,298.81 and 12,478.53

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Solution

The fourth proportional to 47,536.14, 71,298.81 and 12,478.53 is: 18,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,536.14 : 71,298.81 = 12,478.53 : x
  2. Step 2: Convert to fraction form
    47,536.14/71,298.81 = 12,478.53/x
  3. Step 3: Cross multiply
    47,536.14x = 71,298.81 × 12,478.53
  4. Step 4: Simplify right side
    47,536.14x = 889,704,339.55
  5. Step 5: Solve for x
    x = 889,704,339.55/47,536.14
  6. Step 6: Final answer
    x = 18,716.38

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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.