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Finding the Fourth Proportional to 30,069.52, 45,110.94 and 9,008.71

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Solution

The fourth proportional to 30,069.52, 45,110.94 and 9,008.71 is: 13,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.52 : 45,110.94 = 9,008.71 : x
  2. Step 2: Convert to fraction form
    30,069.52/45,110.94 = 9,008.71/x
  3. Step 3: Cross multiply
    30,069.52x = 45,110.94 × 9,008.71
  4. Step 4: Simplify right side
    30,069.52x = 406,391,376.29
  5. Step 5: Solve for x
    x = 406,391,376.29/30,069.52
  6. Step 6: Final answer
    x = 13,515.06

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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.