Home / 40,103.21-55,348.27-23,104.15

Finding the Fourth Proportional to 40,103.21, 55,348.27 and 23,104.15

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Solution

The fourth proportional to 40,103.21, 55,348.27 and 23,104.15 is: 31,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.21 : 55,348.27 = 23,104.15 : x
  2. Step 2: Convert to fraction form
    40,103.21/55,348.27 = 23,104.15/x
  3. Step 3: Cross multiply
    40,103.21x = 55,348.27 × 23,104.15
  4. Step 4: Simplify right side
    40,103.21x = 1,278,774,536.19
  5. Step 5: Solve for x
    x = 1,278,774,536.19/40,103.21
  6. Step 6: Final answer
    x = 31,887.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.