Home / 31,756.65-47,638.01-12,029.91

Finding the Fourth Proportional to 31,756.65, 47,638.01 and 12,029.91

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Solution

The fourth proportional to 31,756.65, 47,638.01 and 12,029.91 is: 18,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,756.65 : 47,638.01 = 12,029.91 : x
  2. Step 2: Convert to fraction form
    31,756.65/47,638.01 = 12,029.91/x
  3. Step 3: Cross multiply
    31,756.65x = 47,638.01 × 12,029.91
  4. Step 4: Simplify right side
    31,756.65x = 573,080,972.88
  5. Step 5: Solve for x
    x = 573,080,972.88/31,756.65
  6. Step 6: Final answer
    x = 18,046.01

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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.