Home / 30,327.05-45,484.31-8,135.17

Finding the Fourth Proportional to 30,327.05, 45,484.31 and 8,135.17

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Solution

The fourth proportional to 30,327.05, 45,484.31 and 8,135.17 is: 12,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.05 : 45,484.31 = 8,135.17 : x
  2. Step 2: Convert to fraction form
    30,327.05/45,484.31 = 8,135.17/x
  3. Step 3: Cross multiply
    30,327.05x = 45,484.31 × 8,135.17
  4. Step 4: Simplify right side
    30,327.05x = 370,022,500.81
  5. Step 5: Solve for x
    x = 370,022,500.81/30,327.05
  6. Step 6: Final answer
    x = 12,201.07

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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.