Home / 30,522.60-42,123.75-17,093.61

Finding the Fourth Proportional to 30,522.60, 42,123.75 and 17,093.61

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Solution

The fourth proportional to 30,522.60, 42,123.75 and 17,093.61 is: 23,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.60 : 42,123.75 = 17,093.61 : x
  2. Step 2: Convert to fraction form
    30,522.60/42,123.75 = 17,093.61/x
  3. Step 3: Cross multiply
    30,522.60x = 42,123.75 × 17,093.61
  4. Step 4: Simplify right side
    30,522.60x = 720,046,954.24
  5. Step 5: Solve for x
    x = 720,046,954.24/30,522.60
  6. Step 6: Final answer
    x = 23,590.62

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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.