Home / 31,844.83-47,767.67-12,124.47

Finding the Fourth Proportional to 31,844.83, 47,767.67 and 12,124.47

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Solution

The fourth proportional to 31,844.83, 47,767.67 and 12,124.47 is: 18,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.83 : 47,767.67 = 12,124.47 : x
  2. Step 2: Convert to fraction form
    31,844.83/47,767.67 = 12,124.47/x
  3. Step 3: Cross multiply
    31,844.83x = 47,767.67 × 12,124.47
  4. Step 4: Simplify right side
    31,844.83x = 579,157,681.88
  5. Step 5: Solve for x
    x = 579,157,681.88/31,844.83
  6. Step 6: Final answer
    x = 18,186.87

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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.