Home / 29,370.45-40,530.13-15,941.42

Finding the Fourth Proportional to 29,370.45, 40,530.13 and 15,941.42

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Solution

The fourth proportional to 29,370.45, 40,530.13 and 15,941.42 is: 21,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370.45 : 40,530.13 = 15,941.42 : x
  2. Step 2: Convert to fraction form
    29,370.45/40,530.13 = 15,941.42/x
  3. Step 3: Cross multiply
    29,370.45x = 40,530.13 × 15,941.42
  4. Step 4: Simplify right side
    29,370.45x = 646,107,824.14
  5. Step 5: Solve for x
    x = 646,107,824.14/29,370.45
  6. Step 6: Final answer
    x = 21,998.57

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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.