Home / 39,962.83-55,148.60-22,057.72

Finding the Fourth Proportional to 39,962.83, 55,148.60 and 22,057.72

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Solution

The fourth proportional to 39,962.83, 55,148.60 and 22,057.72 is: 30,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.83 : 55,148.60 = 22,057.72 : x
  2. Step 2: Convert to fraction form
    39,962.83/55,148.60 = 22,057.72/x
  3. Step 3: Cross multiply
    39,962.83x = 55,148.60 × 22,057.72
  4. Step 4: Simplify right side
    39,962.83x = 1,216,452,266.90
  5. Step 5: Solve for x
    x = 1,216,452,266.90/39,962.83
  6. Step 6: Final answer
    x = 30,439.59

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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.