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Finding the Fourth Proportional to 30,071.66, 45,107.08 and 9,295.16

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Solution

The fourth proportional to 30,071.66, 45,107.08 and 9,295.16 is: 13,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.66 : 45,107.08 = 9,295.16 : x
  2. Step 2: Convert to fraction form
    30,071.66/45,107.08 = 9,295.16/x
  3. Step 3: Cross multiply
    30,071.66x = 45,107.08 × 9,295.16
  4. Step 4: Simplify right side
    30,071.66x = 419,277,276.96
  5. Step 5: Solve for x
    x = 419,277,276.96/30,071.66
  6. Step 6: Final answer
    x = 13,942.61

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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.