Home / 30,442.22-45,667.89-10,717.30

Finding the Fourth Proportional to 30,442.22, 45,667.89 and 10,717.30

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Solution

The fourth proportional to 30,442.22, 45,667.89 and 10,717.30 is: 16,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.22 : 45,667.89 = 10,717.30 : x
  2. Step 2: Convert to fraction form
    30,442.22/45,667.89 = 10,717.30/x
  3. Step 3: Cross multiply
    30,442.22x = 45,667.89 × 10,717.30
  4. Step 4: Simplify right side
    30,442.22x = 489,436,477.50
  5. Step 5: Solve for x
    x = 489,436,477.50/30,442.22
  6. Step 6: Final answer
    x = 16,077.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.