Home / 47,572.68-71,369.04-17,989.86

Finding the Fourth Proportional to 47,572.68, 71,369.04 and 17,989.86

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Solution

The fourth proportional to 47,572.68, 71,369.04 and 17,989.86 is: 26,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,572.68 : 71,369.04 = 17,989.86 : x
  2. Step 2: Convert to fraction form
    47,572.68/71,369.04 = 17,989.86/x
  3. Step 3: Cross multiply
    47,572.68x = 71,369.04 × 17,989.86
  4. Step 4: Simplify right side
    47,572.68x = 1,283,919,037.93
  5. Step 5: Solve for x
    x = 1,283,919,037.93/47,572.68
  6. Step 6: Final answer
    x = 26,988.58

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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.