Home / 34,702.92-47,890.29-18,787.64

Finding the Fourth Proportional to 34,702.92, 47,890.29 and 18,787.64

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Solution

The fourth proportional to 34,702.92, 47,890.29 and 18,787.64 is: 25,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.92 : 47,890.29 = 18,787.64 : x
  2. Step 2: Convert to fraction form
    34,702.92/47,890.29 = 18,787.64/x
  3. Step 3: Cross multiply
    34,702.92x = 47,890.29 × 18,787.64
  4. Step 4: Simplify right side
    34,702.92x = 899,745,288.56
  5. Step 5: Solve for x
    x = 899,745,288.56/34,702.92
  6. Step 6: Final answer
    x = 25,927.08

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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.