Home / 34,702.99-47,890.11-18,787.42

Finding the Fourth Proportional to 34,702.99, 47,890.11 and 18,787.42

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Solution

The fourth proportional to 34,702.99, 47,890.11 and 18,787.42 is: 25,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.99 : 47,890.11 = 18,787.42 : x
  2. Step 2: Convert to fraction form
    34,702.99/47,890.11 = 18,787.42/x
  3. Step 3: Cross multiply
    34,702.99x = 47,890.11 × 18,787.42
  4. Step 4: Simplify right side
    34,702.99x = 899,731,610.42
  5. Step 5: Solve for x
    x = 899,731,610.42/34,702.99
  6. Step 6: Final answer
    x = 25,926.63

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1.5x scale

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.