Home / 31,412.60-47,234.10-26,343.80

Finding the Fourth Proportional to 31,412.60, 47,234.10 and 26,343.80

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Solution

The fourth proportional to 31,412.60, 47,234.10 and 26,343.80 is: 39,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.60 : 47,234.10 = 26,343.80 : x
  2. Step 2: Convert to fraction form
    31,412.60/47,234.10 = 26,343.80/x
  3. Step 3: Cross multiply
    31,412.60x = 47,234.10 × 26,343.80
  4. Step 4: Simplify right side
    31,412.60x = 1,244,325,683.58
  5. Step 5: Solve for x
    x = 1,244,325,683.58/31,412.60
  6. Step 6: Final answer
    x = 39,612.31

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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.