Home / 34,604.45-47,754.14-18,688.90

Finding the Fourth Proportional to 34,604.45, 47,754.14 and 18,688.90

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Solution

The fourth proportional to 34,604.45, 47,754.14 and 18,688.90 is: 25,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,604.45 : 47,754.14 = 18,688.90 : x
  2. Step 2: Convert to fraction form
    34,604.45/47,754.14 = 18,688.90/x
  3. Step 3: Cross multiply
    34,604.45x = 47,754.14 × 18,688.90
  4. Step 4: Simplify right side
    34,604.45x = 892,472,347.05
  5. Step 5: Solve for x
    x = 892,472,347.05/34,604.45
  6. Step 6: Final answer
    x = 25,790.68

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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.