Home / 31,213.92-43,089.84-23,661.60

Finding the Fourth Proportional to 31,213.92, 43,089.84 and 23,661.60

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Solution

The fourth proportional to 31,213.92, 43,089.84 and 23,661.60 is: 32,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.92 : 43,089.84 = 23,661.60 : x
  2. Step 2: Convert to fraction form
    31,213.92/43,089.84 = 23,661.60/x
  3. Step 3: Cross multiply
    31,213.92x = 43,089.84 × 23,661.60
  4. Step 4: Simplify right side
    31,213.92x = 1,019,574,558.14
  5. Step 5: Solve for x
    x = 1,019,574,558.14/31,213.92
  6. Step 6: Final answer
    x = 32,664.10

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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.