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Finding the Fourth Proportional to 30,023.86, 45,035.79 and 7,837.04

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Solution

The fourth proportional to 30,023.86, 45,035.79 and 7,837.04 is: 11,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.86 : 45,035.79 = 7,837.04 : x
  2. Step 2: Convert to fraction form
    30,023.86/45,035.79 = 7,837.04/x
  3. Step 3: Cross multiply
    30,023.86x = 45,035.79 × 7,837.04
  4. Step 4: Simplify right side
    30,023.86x = 352,947,248.48
  5. Step 5: Solve for x
    x = 352,947,248.48/30,023.86
  6. Step 6: Final answer
    x = 11,755.56

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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.