Home / 31,822.65-43,821.95-29,161.53

Finding the Fourth Proportional to 31,822.65, 43,821.95 and 29,161.53

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Solution

The fourth proportional to 31,822.65, 43,821.95 and 29,161.53 is: 40,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.65 : 43,821.95 = 29,161.53 : x
  2. Step 2: Convert to fraction form
    31,822.65/43,821.95 = 29,161.53/x
  3. Step 3: Cross multiply
    31,822.65x = 43,821.95 × 29,161.53
  4. Step 4: Simplify right side
    31,822.65x = 1,277,914,963.78
  5. Step 5: Solve for x
    x = 1,277,914,963.78/31,822.65
  6. Step 6: Final answer
    x = 40,157.40

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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.