Home / 31,648.08-47,489.94-21,795.24

Finding the Fourth Proportional to 31,648.08, 47,489.94 and 21,795.24

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Solution

The fourth proportional to 31,648.08, 47,489.94 and 21,795.24 is: 32,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,648.08 : 47,489.94 = 21,795.24 : x
  2. Step 2: Convert to fraction form
    31,648.08/47,489.94 = 21,795.24/x
  3. Step 3: Cross multiply
    31,648.08x = 47,489.94 × 21,795.24
  4. Step 4: Simplify right side
    31,648.08x = 1,035,054,639.89
  5. Step 5: Solve for x
    x = 1,035,054,639.89/31,648.08
  6. Step 6: Final answer
    x = 32,705.13

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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.