Home / 30,119.28-45,184.96-10,398.56

Finding the Fourth Proportional to 30,119.28, 45,184.96 and 10,398.56

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Solution

The fourth proportional to 30,119.28, 45,184.96 and 10,398.56 is: 15,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.28 : 45,184.96 = 10,398.56 : x
  2. Step 2: Convert to fraction form
    30,119.28/45,184.96 = 10,398.56/x
  3. Step 3: Cross multiply
    30,119.28x = 45,184.96 × 10,398.56
  4. Step 4: Simplify right side
    30,119.28x = 469,858,517.66
  5. Step 5: Solve for x
    x = 469,858,517.66/30,119.28
  6. Step 6: Final answer
    x = 15,599.93

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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.