Home / 34,735.88-47,930.10-20,586.44

Finding the Fourth Proportional to 34,735.88, 47,930.10 and 20,586.44

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Solution

The fourth proportional to 34,735.88, 47,930.10 and 20,586.44 is: 28,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,735.88 : 47,930.10 = 20,586.44 : x
  2. Step 2: Convert to fraction form
    34,735.88/47,930.10 = 20,586.44/x
  3. Step 3: Cross multiply
    34,735.88x = 47,930.10 × 20,586.44
  4. Step 4: Simplify right side
    34,735.88x = 986,710,127.84
  5. Step 5: Solve for x
    x = 986,710,127.84/34,735.88
  6. Step 6: Final answer
    x = 28,406.08

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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.