Home / 31,949.10-47,927.16-8,577.36

Finding the Fourth Proportional to 31,949.10, 47,927.16 and 8,577.36

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Solution

The fourth proportional to 31,949.10, 47,927.16 and 8,577.36 is: 12,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949.10 : 47,927.16 = 8,577.36 : x
  2. Step 2: Convert to fraction form
    31,949.10/47,927.16 = 8,577.36/x
  3. Step 3: Cross multiply
    31,949.10x = 47,927.16 × 8,577.36
  4. Step 4: Simplify right side
    31,949.10x = 411,088,505.10
  5. Step 5: Solve for x
    x = 411,088,505.10/31,949.10
  6. Step 6: Final answer
    x = 12,866.98

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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.