Home / 47,431.80-71,188.56-26,392.86

Finding the Fourth Proportional to 47,431.80, 71,188.56 and 26,392.86

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Solution

The fourth proportional to 47,431.80, 71,188.56 and 26,392.86 is: 39,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.80 : 71,188.56 = 26,392.86 : x
  2. Step 2: Convert to fraction form
    47,431.80/71,188.56 = 26,392.86/x
  3. Step 3: Cross multiply
    47,431.80x = 71,188.56 × 26,392.86
  4. Step 4: Simplify right side
    47,431.80x = 1,878,869,697.68
  5. Step 5: Solve for x
    x = 1,878,869,697.68/47,431.80
  6. Step 6: Final answer
    x = 39,612.03

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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.