Home / 34,703.50-47,890.85-18,787.94

Finding the Fourth Proportional to 34,703.50, 47,890.85 and 18,787.94

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Solution

The fourth proportional to 34,703.50, 47,890.85 and 18,787.94 is: 25,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703.50 : 47,890.85 = 18,787.94 : x
  2. Step 2: Convert to fraction form
    34,703.50/47,890.85 = 18,787.94/x
  3. Step 3: Cross multiply
    34,703.50x = 47,890.85 × 18,787.94
  4. Step 4: Simplify right side
    34,703.50x = 899,770,322.41
  5. Step 5: Solve for x
    x = 899,770,322.41/34,703.50
  6. Step 6: Final answer
    x = 25,927.37

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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.