Home / 30,122.37-45,184.01-11,411.07

Finding the Fourth Proportional to 30,122.37, 45,184.01 and 11,411.07

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Solution

The fourth proportional to 30,122.37, 45,184.01 and 11,411.07 is: 17,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.37 : 45,184.01 = 11,411.07 : x
  2. Step 2: Convert to fraction form
    30,122.37/45,184.01 = 11,411.07/x
  3. Step 3: Cross multiply
    30,122.37x = 45,184.01 × 11,411.07
  4. Step 4: Simplify right side
    30,122.37x = 515,597,900.99
  5. Step 5: Solve for x
    x = 515,597,900.99/30,122.37
  6. Step 6: Final answer
    x = 17,116.78

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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.