Home / 30,371.72-45,557.97-10,650.84

Finding the Fourth Proportional to 30,371.72, 45,557.97 and 10,650.84

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Solution

The fourth proportional to 30,371.72, 45,557.97 and 10,650.84 is: 15,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.72 : 45,557.97 = 10,650.84 : x
  2. Step 2: Convert to fraction form
    30,371.72/45,557.97 = 10,650.84/x
  3. Step 3: Cross multiply
    30,371.72x = 45,557.97 × 10,650.84
  4. Step 4: Simplify right side
    30,371.72x = 485,230,649.19
  5. Step 5: Solve for x
    x = 485,230,649.19/30,371.72
  6. Step 6: Final answer
    x = 15,976.40

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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.