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Finding the Fourth Proportional to 30,362.44, 45,550.40 and 9,305.40

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Solution

The fourth proportional to 30,362.44, 45,550.40 and 9,305.40 is: 13,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362.44 : 45,550.40 = 9,305.40 : x
  2. Step 2: Convert to fraction form
    30,362.44/45,550.40 = 9,305.40/x
  3. Step 3: Cross multiply
    30,362.44x = 45,550.40 × 9,305.40
  4. Step 4: Simplify right side
    30,362.44x = 423,864,692.16
  5. Step 5: Solve for x
    x = 423,864,692.16/30,362.44
  6. Step 6: Final answer
    x = 13,960.17

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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.