Home / 43,230.60-64,801.32-31,354.62

Finding the Fourth Proportional to 43,230.60, 64,801.32 and 31,354.62

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Solution

The fourth proportional to 43,230.60, 64,801.32 and 31,354.62 is: 46,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.60 : 64,801.32 = 31,354.62 : x
  2. Step 2: Convert to fraction form
    43,230.60/64,801.32 = 31,354.62/x
  3. Step 3: Cross multiply
    43,230.60x = 64,801.32 × 31,354.62
  4. Step 4: Simplify right side
    43,230.60x = 2,031,820,764.10
  5. Step 5: Solve for x
    x = 2,031,820,764.10/43,230.60
  6. Step 6: Final answer
    x = 46,999.60

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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.