Home / 40,576.20-55,998.28-29,870.08

Finding the Fourth Proportional to 40,576.20, 55,998.28 and 29,870.08

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Solution

The fourth proportional to 40,576.20, 55,998.28 and 29,870.08 is: 41,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,576.20 : 55,998.28 = 29,870.08 : x
  2. Step 2: Convert to fraction form
    40,576.20/55,998.28 = 29,870.08/x
  3. Step 3: Cross multiply
    40,576.20x = 55,998.28 × 29,870.08
  4. Step 4: Simplify right side
    40,576.20x = 1,672,673,103.46
  5. Step 5: Solve for x
    x = 1,672,673,103.46/40,576.20
  6. Step 6: Final answer
    x = 41,223.01

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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.