Home / 39,911.22-59,850.30-13,618.08

Finding the Fourth Proportional to 39,911.22, 59,850.30 and 13,618.08

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Solution

The fourth proportional to 39,911.22, 59,850.30 and 13,618.08 is: 20,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.22 : 59,850.30 = 13,618.08 : x
  2. Step 2: Convert to fraction form
    39,911.22/59,850.30 = 13,618.08/x
  3. Step 3: Cross multiply
    39,911.22x = 59,850.30 × 13,618.08
  4. Step 4: Simplify right side
    39,911.22x = 815,046,173.42
  5. Step 5: Solve for x
    x = 815,046,173.42/39,911.22
  6. Step 6: Final answer
    x = 20,421.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.