Home / 30,023.92-45,042.32-8,965.62

Finding the Fourth Proportional to 30,023.92, 45,042.32 and 8,965.62

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Solution

The fourth proportional to 30,023.92, 45,042.32 and 8,965.62 is: 13,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.92 : 45,042.32 = 8,965.62 : x
  2. Step 2: Convert to fraction form
    30,023.92/45,042.32 = 8,965.62/x
  3. Step 3: Cross multiply
    30,023.92x = 45,042.32 × 8,965.62
  4. Step 4: Simplify right side
    30,023.92x = 403,832,280.21
  5. Step 5: Solve for x
    x = 403,832,280.21/30,023.92
  6. Step 6: Final answer
    x = 13,450.35

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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.