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Finding the Fourth Proportional to 30,399.04, 45,605.04 and 9,622.72

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Solution

The fourth proportional to 30,399.04, 45,605.04 and 9,622.72 is: 14,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.04 : 45,605.04 = 9,622.72 : x
  2. Step 2: Convert to fraction form
    30,399.04/45,605.04 = 9,622.72/x
  3. Step 3: Cross multiply
    30,399.04x = 45,605.04 × 9,622.72
  4. Step 4: Simplify right side
    30,399.04x = 438,844,530.51
  5. Step 5: Solve for x
    x = 438,844,530.51/30,399.04
  6. Step 6: Final answer
    x = 14,436.13

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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.