Home / 31,611.14-47,416.23-9,424.61

Finding the Fourth Proportional to 31,611.14, 47,416.23 and 9,424.61

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Solution

The fourth proportional to 31,611.14, 47,416.23 and 9,424.61 is: 14,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.14 : 47,416.23 = 9,424.61 : x
  2. Step 2: Convert to fraction form
    31,611.14/47,416.23 = 9,424.61/x
  3. Step 3: Cross multiply
    31,611.14x = 47,416.23 × 9,424.61
  4. Step 4: Simplify right side
    31,611.14x = 446,879,238.34
  5. Step 5: Solve for x
    x = 446,879,238.34/31,611.14
  6. Step 6: Final answer
    x = 14,136.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.