Home / 31,475.42-43,436.94-17,329.13

Finding the Fourth Proportional to 31,475.42, 43,436.94 and 17,329.13

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Solution

The fourth proportional to 31,475.42, 43,436.94 and 17,329.13 is: 23,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.42 : 43,436.94 = 17,329.13 : x
  2. Step 2: Convert to fraction form
    31,475.42/43,436.94 = 17,329.13/x
  3. Step 3: Cross multiply
    31,475.42x = 43,436.94 × 17,329.13
  4. Step 4: Simplify right side
    31,475.42x = 752,724,380.06
  5. Step 5: Solve for x
    x = 752,724,380.06/31,475.42
  6. Step 6: Final answer
    x = 23,914.67

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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.