Home / 31,900.47-47,853.32-9,714.04

Finding the Fourth Proportional to 31,900.47, 47,853.32 and 9,714.04

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Solution

The fourth proportional to 31,900.47, 47,853.32 and 9,714.04 is: 14,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,900.47 : 47,853.32 = 9,714.04 : x
  2. Step 2: Convert to fraction form
    31,900.47/47,853.32 = 9,714.04/x
  3. Step 3: Cross multiply
    31,900.47x = 47,853.32 × 9,714.04
  4. Step 4: Simplify right side
    31,900.47x = 464,849,165.58
  5. Step 5: Solve for x
    x = 464,849,165.58/31,900.47
  6. Step 6: Final answer
    x = 14,571.86

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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.