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Finding the Fourth Proportional to 30,193.93, 45,285.72 and 8,007.67

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Solution

The fourth proportional to 30,193.93, 45,285.72 and 8,007.67 is: 12,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.93 : 45,285.72 = 8,007.67 : x
  2. Step 2: Convert to fraction form
    30,193.93/45,285.72 = 8,007.67/x
  3. Step 3: Cross multiply
    30,193.93x = 45,285.72 × 8,007.67
  4. Step 4: Simplify right side
    30,193.93x = 362,633,101.47
  5. Step 5: Solve for x
    x = 362,633,101.47/30,193.93
  6. Step 6: Final answer
    x = 12,010.13

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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.