Home / 31,346.30-47,027.22-15,558.74

Finding the Fourth Proportional to 31,346.30, 47,027.22 and 15,558.74

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Solution

The fourth proportional to 31,346.30, 47,027.22 and 15,558.74 is: 23,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.30 : 47,027.22 = 15,558.74 : x
  2. Step 2: Convert to fraction form
    31,346.30/47,027.22 = 15,558.74/x
  3. Step 3: Cross multiply
    31,346.30x = 47,027.22 × 15,558.74
  4. Step 4: Simplify right side
    31,346.30x = 731,684,053.77
  5. Step 5: Solve for x
    x = 731,684,053.77/31,346.30
  6. Step 6: Final answer
    x = 23,341.96

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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.