Home / 39,390.72-54,357.84-23,466.90

Finding the Fourth Proportional to 39,390.72, 54,357.84 and 23,466.90

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Solution

The fourth proportional to 39,390.72, 54,357.84 and 23,466.90 is: 32,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.72 : 54,357.84 = 23,466.90 : x
  2. Step 2: Convert to fraction form
    39,390.72/54,357.84 = 23,466.90/x
  3. Step 3: Cross multiply
    39,390.72x = 54,357.84 × 23,466.90
  4. Step 4: Simplify right side
    39,390.72x = 1,275,609,995.50
  5. Step 5: Solve for x
    x = 1,275,609,995.50/39,390.72
  6. Step 6: Final answer
    x = 32,383.52

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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.