Home / 30,131.73-45,208.44-10,412.28

Finding the Fourth Proportional to 30,131.73, 45,208.44 and 10,412.28

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Solution

The fourth proportional to 30,131.73, 45,208.44 and 10,412.28 is: 15,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.73 : 45,208.44 = 10,412.28 : x
  2. Step 2: Convert to fraction form
    30,131.73/45,208.44 = 10,412.28/x
  3. Step 3: Cross multiply
    30,131.73x = 45,208.44 × 10,412.28
  4. Step 4: Simplify right side
    30,131.73x = 470,722,935.64
  5. Step 5: Solve for x
    x = 470,722,935.64/30,131.73
  6. Step 6: Final answer
    x = 15,622.17

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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.