Home / 31,844.04-47,766.51-12,123.68

Finding the Fourth Proportional to 31,844.04, 47,766.51 and 12,123.68

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Solution

The fourth proportional to 31,844.04, 47,766.51 and 12,123.68 is: 18,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.04 : 47,766.51 = 12,123.68 : x
  2. Step 2: Convert to fraction form
    31,844.04/47,766.51 = 12,123.68/x
  3. Step 3: Cross multiply
    31,844.04x = 47,766.51 × 12,123.68
  4. Step 4: Simplify right side
    31,844.04x = 579,105,643.12
  5. Step 5: Solve for x
    x = 579,105,643.12/31,844.04
  6. Step 6: Final answer
    x = 18,185.69

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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.