Home / 31,494.23-47,240.40-12,773.82

Finding the Fourth Proportional to 31,494.23, 47,240.40 and 12,773.82

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Solution

The fourth proportional to 31,494.23, 47,240.40 and 12,773.82 is: 19,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,494.23 : 47,240.40 = 12,773.82 : x
  2. Step 2: Convert to fraction form
    31,494.23/47,240.40 = 12,773.82/x
  3. Step 3: Cross multiply
    31,494.23x = 47,240.40 × 12,773.82
  4. Step 4: Simplify right side
    31,494.23x = 603,440,366.33
  5. Step 5: Solve for x
    x = 603,440,366.33/31,494.23
  6. Step 6: Final answer
    x = 19,160.35

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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.