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Finding the Fourth Proportional to 30,068.52, 45,109.44 and 9,007.71

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Solution

The fourth proportional to 30,068.52, 45,109.44 and 9,007.71 is: 13,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.52 : 45,109.44 = 9,007.71 : x
  2. Step 2: Convert to fraction form
    30,068.52/45,109.44 = 9,007.71/x
  3. Step 3: Cross multiply
    30,068.52x = 45,109.44 × 9,007.71
  4. Step 4: Simplify right side
    30,068.52x = 406,332,753.78
  5. Step 5: Solve for x
    x = 406,332,753.78/30,068.52
  6. Step 6: Final answer
    x = 13,513.56

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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.