Home / 31,429.64-47,159.81-14,791.34

Finding the Fourth Proportional to 31,429.64, 47,159.81 and 14,791.34

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Solution

The fourth proportional to 31,429.64, 47,159.81 and 14,791.34 is: 22,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.64 : 47,159.81 = 14,791.34 : x
  2. Step 2: Convert to fraction form
    31,429.64/47,159.81 = 14,791.34/x
  3. Step 3: Cross multiply
    31,429.64x = 47,159.81 × 14,791.34
  4. Step 4: Simplify right side
    31,429.64x = 697,556,710.09
  5. Step 5: Solve for x
    x = 697,556,710.09/31,429.64
  6. Step 6: Final answer
    x = 22,194.23

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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.