Home / 31,664.52-47,509.34-11,948.31

Finding the Fourth Proportional to 31,664.52, 47,509.34 and 11,948.31

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Solution

The fourth proportional to 31,664.52, 47,509.34 and 11,948.31 is: 17,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.52 : 47,509.34 = 11,948.31 : x
  2. Step 2: Convert to fraction form
    31,664.52/47,509.34 = 11,948.31/x
  3. Step 3: Cross multiply
    31,664.52x = 47,509.34 × 11,948.31
  4. Step 4: Simplify right side
    31,664.52x = 567,656,262.47
  5. Step 5: Solve for x
    x = 567,656,262.47/31,664.52
  6. Step 6: Final answer
    x = 17,927.20

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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.