Home / 39,961.35-55,147.23-22,056.30

Finding the Fourth Proportional to 39,961.35, 55,147.23 and 22,056.30

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Solution

The fourth proportional to 39,961.35, 55,147.23 and 22,056.30 is: 30,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.35 : 55,147.23 = 22,056.30 : x
  2. Step 2: Convert to fraction form
    39,961.35/55,147.23 = 22,056.30/x
  3. Step 3: Cross multiply
    39,961.35x = 55,147.23 × 22,056.30
  4. Step 4: Simplify right side
    39,961.35x = 1,216,343,849.05
  5. Step 5: Solve for x
    x = 1,216,343,849.05/39,961.35
  6. Step 6: Final answer
    x = 30,438.01

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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.