Home / 31,698.70-47,530.28-21,714.73

Finding the Fourth Proportional to 31,698.70, 47,530.28 and 21,714.73

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Solution

The fourth proportional to 31,698.70, 47,530.28 and 21,714.73 is: 32,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,698.70 : 47,530.28 = 21,714.73 : x
  2. Step 2: Convert to fraction form
    31,698.70/47,530.28 = 21,714.73/x
  3. Step 3: Cross multiply
    31,698.70x = 47,530.28 × 21,714.73
  4. Step 4: Simplify right side
    31,698.70x = 1,032,106,969.63
  5. Step 5: Solve for x
    x = 1,032,106,969.63/31,698.70
  6. Step 6: Final answer
    x = 32,559.91

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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.