Home / 34,163.12-47,152.68-21,585.44

Finding the Fourth Proportional to 34,163.12, 47,152.68 and 21,585.44

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Solution

The fourth proportional to 34,163.12, 47,152.68 and 21,585.44 is: 29,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,163.12 : 47,152.68 = 21,585.44 : x
  2. Step 2: Convert to fraction form
    34,163.12/47,152.68 = 21,585.44/x
  3. Step 3: Cross multiply
    34,163.12x = 47,152.68 × 21,585.44
  4. Step 4: Simplify right side
    34,163.12x = 1,017,811,344.98
  5. Step 5: Solve for x
    x = 1,017,811,344.98/34,163.12
  6. Step 6: Final answer
    x = 29,792.69

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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.