Home / 29,708.15-40,963.66-18,938.66

Finding the Fourth Proportional to 29,708.15, 40,963.66 and 18,938.66

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Solution

The fourth proportional to 29,708.15, 40,963.66 and 18,938.66 is: 26,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,708.15 : 40,963.66 = 18,938.66 : x
  2. Step 2: Convert to fraction form
    29,708.15/40,963.66 = 18,938.66/x
  3. Step 3: Cross multiply
    29,708.15x = 40,963.66 × 18,938.66
  4. Step 4: Simplify right side
    29,708.15x = 775,796,576.93
  5. Step 5: Solve for x
    x = 775,796,576.93/29,708.15
  6. Step 6: Final answer
    x = 26,113.94

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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.