Home / 23,243.63-34,991.91-21,176.91

Finding the Fourth Proportional to 23,243.63, 34,991.91 and 21,176.91

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Solution

The fourth proportional to 23,243.63, 34,991.91 and 21,176.91 is: 31,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,243.63 : 34,991.91 = 21,176.91 : x
  2. Step 2: Convert to fraction form
    23,243.63/34,991.91 = 21,176.91/x
  3. Step 3: Cross multiply
    23,243.63x = 34,991.91 × 21,176.91
  4. Step 4: Simplify right side
    23,243.63x = 741,020,528.80
  5. Step 5: Solve for x
    x = 741,020,528.80/23,243.63
  6. Step 6: Final answer
    x = 31,880.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.