Home / 31,474.95-43,435.49-17,134.71

Finding the Fourth Proportional to 31,474.95, 43,435.49 and 17,134.71

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Solution

The fourth proportional to 31,474.95, 43,435.49 and 17,134.71 is: 23,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.95 : 43,435.49 = 17,134.71 : x
  2. Step 2: Convert to fraction form
    31,474.95/43,435.49 = 17,134.71/x
  3. Step 3: Cross multiply
    31,474.95x = 43,435.49 × 17,134.71
  4. Step 4: Simplify right side
    31,474.95x = 744,254,439.18
  5. Step 5: Solve for x
    x = 744,254,439.18/31,474.95
  6. Step 6: Final answer
    x = 23,645.93

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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.