Home / 43,234.60-64,807.32-31,358.64

Finding the Fourth Proportional to 43,234.60, 64,807.32 and 31,358.64

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Solution

The fourth proportional to 43,234.60, 64,807.32 and 31,358.64 is: 47,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.60 : 64,807.32 = 31,358.64 : x
  2. Step 2: Convert to fraction form
    43,234.60/64,807.32 = 31,358.64/x
  3. Step 3: Cross multiply
    43,234.60x = 64,807.32 × 31,358.64
  4. Step 4: Simplify right side
    43,234.60x = 2,032,269,417.24
  5. Step 5: Solve for x
    x = 2,032,269,417.24/43,234.60
  6. Step 6: Final answer
    x = 47,005.63

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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.