Home / 31,759.04-47,639.10-12,046.88

Finding the Fourth Proportional to 31,759.04, 47,639.10 and 12,046.88

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Solution

The fourth proportional to 31,759.04, 47,639.10 and 12,046.88 is: 18,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.04 : 47,639.10 = 12,046.88 : x
  2. Step 2: Convert to fraction form
    31,759.04/47,639.10 = 12,046.88/x
  3. Step 3: Cross multiply
    31,759.04x = 47,639.10 × 12,046.88
  4. Step 4: Simplify right side
    31,759.04x = 573,902,521.01
  5. Step 5: Solve for x
    x = 573,902,521.01/31,759.04
  6. Step 6: Final answer
    x = 18,070.52

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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.