Home / 40,180.85-55,373.10-29,429.01

Finding the Fourth Proportional to 40,180.85, 55,373.10 and 29,429.01

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Solution

The fourth proportional to 40,180.85, 55,373.10 and 29,429.01 is: 40,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180.85 : 55,373.10 = 29,429.01 : x
  2. Step 2: Convert to fraction form
    40,180.85/55,373.10 = 29,429.01/x
  3. Step 3: Cross multiply
    40,180.85x = 55,373.10 × 29,429.01
  4. Step 4: Simplify right side
    40,180.85x = 1,629,575,513.63
  5. Step 5: Solve for x
    x = 1,629,575,513.63/40,180.85
  6. Step 6: Final answer
    x = 40,556.02

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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.