Home / 31,429.56-47,230.74-29,374.68

Finding the Fourth Proportional to 31,429.56, 47,230.74 and 29,374.68

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Solution

The fourth proportional to 31,429.56, 47,230.74 and 29,374.68 is: 44,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.56 : 47,230.74 = 29,374.68 : x
  2. Step 2: Convert to fraction form
    31,429.56/47,230.74 = 29,374.68/x
  3. Step 3: Cross multiply
    31,429.56x = 47,230.74 × 29,374.68
  4. Step 4: Simplify right side
    31,429.56x = 1,387,387,873.66
  5. Step 5: Solve for x
    x = 1,387,387,873.66/31,429.56
  6. Step 6: Final answer
    x = 44,142.77

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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.