Home / 34,647.14-47,812.98-18,731.55

Finding the Fourth Proportional to 34,647.14, 47,812.98 and 18,731.55

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Solution

The fourth proportional to 34,647.14, 47,812.98 and 18,731.55 is: 25,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,647.14 : 47,812.98 = 18,731.55 : x
  2. Step 2: Convert to fraction form
    34,647.14/47,812.98 = 18,731.55/x
  3. Step 3: Cross multiply
    34,647.14x = 47,812.98 × 18,731.55
  4. Step 4: Simplify right side
    34,647.14x = 895,611,475.06
  5. Step 5: Solve for x
    x = 895,611,475.06/34,647.14
  6. Step 6: Final answer
    x = 25,849.50

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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.