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Finding the Fourth Proportional to 30,079.83, 45,126.02 and 9,019.02

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Solution

The fourth proportional to 30,079.83, 45,126.02 and 9,019.02 is: 13,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.83 : 45,126.02 = 9,019.02 : x
  2. Step 2: Convert to fraction form
    30,079.83/45,126.02 = 9,019.02/x
  3. Step 3: Cross multiply
    30,079.83x = 45,126.02 × 9,019.02
  4. Step 4: Simplify right side
    30,079.83x = 406,992,476.90
  5. Step 5: Solve for x
    x = 406,992,476.90/30,079.83
  6. Step 6: Final answer
    x = 13,530.41

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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.