Home / 31,586.08-47,393.72-14,067.40

Finding the Fourth Proportional to 31,586.08, 47,393.72 and 14,067.40

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Solution

The fourth proportional to 31,586.08, 47,393.72 and 14,067.40 is: 21,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.08 : 47,393.72 = 14,067.40 : x
  2. Step 2: Convert to fraction form
    31,586.08/47,393.72 = 14,067.40/x
  3. Step 3: Cross multiply
    31,586.08x = 47,393.72 × 14,067.40
  4. Step 4: Simplify right side
    31,586.08x = 666,706,416.73
  5. Step 5: Solve for x
    x = 666,706,416.73/31,586.08
  6. Step 6: Final answer
    x = 21,107.60

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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.