Home / 30,401.34-41,948.73-16,972.08

Finding the Fourth Proportional to 30,401.34, 41,948.73 and 16,972.08

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Solution

The fourth proportional to 30,401.34, 41,948.73 and 16,972.08 is: 23,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.34 : 41,948.73 = 16,972.08 : x
  2. Step 2: Convert to fraction form
    30,401.34/41,948.73 = 16,972.08/x
  3. Step 3: Cross multiply
    30,401.34x = 41,948.73 × 16,972.08
  4. Step 4: Simplify right side
    30,401.34x = 711,957,201.46
  5. Step 5: Solve for x
    x = 711,957,201.46/30,401.34
  6. Step 6: Final answer
    x = 23,418.61

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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.