Home / 47,410.40-71,115.15-19,323.86

Finding the Fourth Proportional to 47,410.40, 71,115.15 and 19,323.86

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Solution

The fourth proportional to 47,410.40, 71,115.15 and 19,323.86 is: 28,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,410.40 : 71,115.15 = 19,323.86 : x
  2. Step 2: Convert to fraction form
    47,410.40/71,115.15 = 19,323.86/x
  3. Step 3: Cross multiply
    47,410.40x = 71,115.15 × 19,323.86
  4. Step 4: Simplify right side
    47,410.40x = 1,374,219,202.48
  5. Step 5: Solve for x
    x = 1,374,219,202.48/47,410.40
  6. Step 6: Final answer
    x = 28,985.61

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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.