Home / 31,858.02-47,787.84-11,081.52

Finding the Fourth Proportional to 31,858.02, 47,787.84 and 11,081.52

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Solution

The fourth proportional to 31,858.02, 47,787.84 and 11,081.52 is: 16,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858.02 : 47,787.84 = 11,081.52 : x
  2. Step 2: Convert to fraction form
    31,858.02/47,787.84 = 11,081.52/x
  3. Step 3: Cross multiply
    31,858.02x = 47,787.84 × 11,081.52
  4. Step 4: Simplify right side
    31,858.02x = 529,561,904.72
  5. Step 5: Solve for x
    x = 529,561,904.72/31,858.02
  6. Step 6: Final answer
    x = 16,622.56

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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.