Home / 30,297.01-45,441.87-8,112.10

Finding the Fourth Proportional to 30,297.01, 45,441.87 and 8,112.10

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Solution

The fourth proportional to 30,297.01, 45,441.87 and 8,112.10 is: 12,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.01 : 45,441.87 = 8,112.10 : x
  2. Step 2: Convert to fraction form
    30,297.01/45,441.87 = 8,112.10/x
  3. Step 3: Cross multiply
    30,297.01x = 45,441.87 × 8,112.10
  4. Step 4: Simplify right side
    30,297.01x = 368,628,993.63
  5. Step 5: Solve for x
    x = 368,628,993.63/30,297.01
  6. Step 6: Final answer
    x = 12,167.17

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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.