Home / 31,149.83-46,706.79-21,301.04

Finding the Fourth Proportional to 31,149.83, 46,706.79 and 21,301.04

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Solution

The fourth proportional to 31,149.83, 46,706.79 and 21,301.04 is: 31,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149.83 : 46,706.79 = 21,301.04 : x
  2. Step 2: Convert to fraction form
    31,149.83/46,706.79 = 21,301.04/x
  3. Step 3: Cross multiply
    31,149.83x = 46,706.79 × 21,301.04
  4. Step 4: Simplify right side
    31,149.83x = 994,903,202.06
  5. Step 5: Solve for x
    x = 994,903,202.06/31,149.83
  6. Step 6: Final answer
    x = 31,939.28

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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.