Home / 30,362.82-45,238.94-28,665.16

Finding the Fourth Proportional to 30,362.82, 45,238.94 and 28,665.16

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Solution

The fourth proportional to 30,362.82, 45,238.94 and 28,665.16 is: 42,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362.82 : 45,238.94 = 28,665.16 : x
  2. Step 2: Convert to fraction form
    30,362.82/45,238.94 = 28,665.16/x
  3. Step 3: Cross multiply
    30,362.82x = 45,238.94 × 28,665.16
  4. Step 4: Simplify right side
    30,362.82x = 1,296,781,453.33
  5. Step 5: Solve for x
    x = 1,296,781,453.33/30,362.82
  6. Step 6: Final answer
    x = 42,709.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.