Home / 30,809.73-42,522.66-17,384.79

Finding the Fourth Proportional to 30,809.73, 42,522.66 and 17,384.79

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Solution

The fourth proportional to 30,809.73, 42,522.66 and 17,384.79 is: 23,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809.73 : 42,522.66 = 17,384.79 : x
  2. Step 2: Convert to fraction form
    30,809.73/42,522.66 = 17,384.79/x
  3. Step 3: Cross multiply
    30,809.73x = 42,522.66 × 17,384.79
  4. Step 4: Simplify right side
    30,809.73x = 739,247,514.34
  5. Step 5: Solve for x
    x = 739,247,514.34/30,809.73
  6. Step 6: Final answer
    x = 23,993.96

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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.