Home / 31,970.62-47,954.17-9,783.98

Finding the Fourth Proportional to 31,970.62, 47,954.17 and 9,783.98

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Solution

The fourth proportional to 31,970.62, 47,954.17 and 9,783.98 is: 14,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.62 : 47,954.17 = 9,783.98 : x
  2. Step 2: Convert to fraction form
    31,970.62/47,954.17 = 9,783.98/x
  3. Step 3: Cross multiply
    31,970.62x = 47,954.17 × 9,783.98
  4. Step 4: Simplify right side
    31,970.62x = 469,182,640.20
  5. Step 5: Solve for x
    x = 469,182,640.20/31,970.62
  6. Step 6: Final answer
    x = 14,675.43

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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.