Home / 39,745.78-59,619.00-11,666.30

Finding the Fourth Proportional to 39,745.78, 59,619.00 and 11,666.30

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Solution

The fourth proportional to 39,745.78, 59,619.00 and 11,666.30 is: 17,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.78 : 59,619.00 = 11,666.30 : x
  2. Step 2: Convert to fraction form
    39,745.78/59,619.00 = 11,666.30/x
  3. Step 3: Cross multiply
    39,745.78x = 59,619.00 × 11,666.30
  4. Step 4: Simplify right side
    39,745.78x = 695,532,885.35
  5. Step 5: Solve for x
    x = 695,532,885.35/39,745.78
  6. Step 6: Final answer
    x = 17,499.54

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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.