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Finding the Fourth Proportional to 30,230.79, 45,345.42 and 8,044.36

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Solution

The fourth proportional to 30,230.79, 45,345.42 and 8,044.36 is: 12,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.79 : 45,345.42 = 8,044.36 : x
  2. Step 2: Convert to fraction form
    30,230.79/45,345.42 = 8,044.36/x
  3. Step 3: Cross multiply
    30,230.79x = 45,345.42 × 8,044.36
  4. Step 4: Simplify right side
    30,230.79x = 364,775,024.54
  5. Step 5: Solve for x
    x = 364,775,024.54/30,230.79
  6. Step 6: Final answer
    x = 12,066.34

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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.