Home / 29,370.42-40,531.22-15,941.68

Finding the Fourth Proportional to 29,370.42, 40,531.22 and 15,941.68

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Solution

The fourth proportional to 29,370.42, 40,531.22 and 15,941.68 is: 21,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370.42 : 40,531.22 = 15,941.68 : x
  2. Step 2: Convert to fraction form
    29,370.42/40,531.22 = 15,941.68/x
  3. Step 3: Cross multiply
    29,370.42x = 40,531.22 × 15,941.68
  4. Step 4: Simplify right side
    29,370.42x = 646,135,739.25
  5. Step 5: Solve for x
    x = 646,135,739.25/29,370.42
  6. Step 6: Final answer
    x = 21,999.54

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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.