Home / 36,711.21-55,069.40-11,407.32

Finding the Fourth Proportional to 36,711.21, 55,069.40 and 11,407.32

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Solution

The fourth proportional to 36,711.21, 55,069.40 and 11,407.32 is: 17,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,711.21 : 55,069.40 = 11,407.32 : x
  2. Step 2: Convert to fraction form
    36,711.21/55,069.40 = 11,407.32/x
  3. Step 3: Cross multiply
    36,711.21x = 55,069.40 × 11,407.32
  4. Step 4: Simplify right side
    36,711.21x = 628,194,210.97
  5. Step 5: Solve for x
    x = 628,194,210.97/36,711.21
  6. Step 6: Final answer
    x = 17,111.78

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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.