Home / 31,615.52-47,436.04-14,073.36

Finding the Fourth Proportional to 31,615.52, 47,436.04 and 14,073.36

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Solution

The fourth proportional to 31,615.52, 47,436.04 and 14,073.36 is: 21,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.52 : 47,436.04 = 14,073.36 : x
  2. Step 2: Convert to fraction form
    31,615.52/47,436.04 = 14,073.36/x
  3. Step 3: Cross multiply
    31,615.52x = 47,436.04 × 14,073.36
  4. Step 4: Simplify right side
    31,615.52x = 667,584,467.89
  5. Step 5: Solve for x
    x = 667,584,467.89/31,615.52
  6. Step 6: Final answer
    x = 21,115.72

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1.5x scale

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.