Home / 30,081.24-45,107.64-9,013.16

Finding the Fourth Proportional to 30,081.24, 45,107.64 and 9,013.16

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Solution

The fourth proportional to 30,081.24, 45,107.64 and 9,013.16 is: 13,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.24 : 45,107.64 = 9,013.16 : x
  2. Step 2: Convert to fraction form
    30,081.24/45,107.64 = 9,013.16/x
  3. Step 3: Cross multiply
    30,081.24x = 45,107.64 × 9,013.16
  4. Step 4: Simplify right side
    30,081.24x = 406,562,376.54
  5. Step 5: Solve for x
    x = 406,562,376.54/30,081.24
  6. Step 6: Final answer
    x = 13,515.48

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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.