Home / 31,644.16-47,465.78-9,457.04

Finding the Fourth Proportional to 31,644.16, 47,465.78 and 9,457.04

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Solution

The fourth proportional to 31,644.16, 47,465.78 and 9,457.04 is: 14,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644.16 : 47,465.78 = 9,457.04 : x
  2. Step 2: Convert to fraction form
    31,644.16/47,465.78 = 9,457.04/x
  3. Step 3: Cross multiply
    31,644.16x = 47,465.78 × 9,457.04
  4. Step 4: Simplify right side
    31,644.16x = 448,885,780.09
  5. Step 5: Solve for x
    x = 448,885,780.09/31,644.16
  6. Step 6: Final answer
    x = 14,185.42

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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.