Home / 47,579.19-71,369.94-15,989.71

Finding the Fourth Proportional to 47,579.19, 71,369.94 and 15,989.71

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Solution

The fourth proportional to 47,579.19, 71,369.94 and 15,989.71 is: 23,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,579.19 : 71,369.94 = 15,989.71 : x
  2. Step 2: Convert to fraction form
    47,579.19/71,369.94 = 15,989.71/x
  3. Step 3: Cross multiply
    47,579.19x = 71,369.94 × 15,989.71
  4. Step 4: Simplify right side
    47,579.19x = 1,141,184,643.32
  5. Step 5: Solve for x
    x = 1,141,184,643.32/47,579.19
  6. Step 6: Final answer
    x = 23,984.95

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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.