Home / 34,702.89-47,889.99-18,787.47

Finding the Fourth Proportional to 34,702.89, 47,889.99 and 18,787.47

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Solution

The fourth proportional to 34,702.89, 47,889.99 and 18,787.47 is: 25,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.89 : 47,889.99 = 18,787.47 : x
  2. Step 2: Convert to fraction form
    34,702.89/47,889.99 = 18,787.47/x
  3. Step 3: Cross multiply
    34,702.89x = 47,889.99 × 18,787.47
  4. Step 4: Simplify right side
    34,702.89x = 899,731,750.43
  5. Step 5: Solve for x
    x = 899,731,750.43/34,702.89
  6. Step 6: Final answer
    x = 25,926.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.