Home / 31,914.64-47,877.15-9,427.60

Finding the Fourth Proportional to 31,914.64, 47,877.15 and 9,427.60

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Solution

The fourth proportional to 31,914.64, 47,877.15 and 9,427.60 is: 14,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.64 : 47,877.15 = 9,427.60 : x
  2. Step 2: Convert to fraction form
    31,914.64/47,877.15 = 9,427.60/x
  3. Step 3: Cross multiply
    31,914.64x = 47,877.15 × 9,427.60
  4. Step 4: Simplify right side
    31,914.64x = 451,366,379.95
  5. Step 5: Solve for x
    x = 451,366,379.95/31,914.64
  6. Step 6: Final answer
    x = 14,142.93

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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.