Home / 34,431.75-47,515.62-19,324.39

Finding the Fourth Proportional to 34,431.75, 47,515.62 and 19,324.39

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Solution

The fourth proportional to 34,431.75, 47,515.62 and 19,324.39 is: 26,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.75 : 47,515.62 = 19,324.39 : x
  2. Step 2: Convert to fraction form
    34,431.75/47,515.62 = 19,324.39/x
  3. Step 3: Cross multiply
    34,431.75x = 47,515.62 × 19,324.39
  4. Step 4: Simplify right side
    34,431.75x = 918,210,371.97
  5. Step 5: Solve for x
    x = 918,210,371.97/34,431.75
  6. Step 6: Final answer
    x = 26,667.55

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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.