Home / 31,710.96-47,566.44-13,230

Finding the Fourth Proportional to 31,710.96, 47,566.44 and 13,230

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Solution

The fourth proportional to 31,710.96, 47,566.44 and 13,230 is: 19,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.96 : 47,566.44 = 13,230 : x
  2. Step 2: Convert to fraction form
    31,710.96/47,566.44 = 13,230/x
  3. Step 3: Cross multiply
    31,710.96x = 47,566.44 × 13,230
  4. Step 4: Simplify right side
    31,710.96x = 629,304,001.20
  5. Step 5: Solve for x
    x = 629,304,001.20/31,710.96
  6. Step 6: Final answer
    x = 19,845.00

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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.