Home / 39,610.80-59,421.96-13,323.06

Finding the Fourth Proportional to 39,610.80, 59,421.96 and 13,323.06

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Solution

The fourth proportional to 39,610.80, 59,421.96 and 13,323.06 is: 19,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.80 : 59,421.96 = 13,323.06 : x
  2. Step 2: Convert to fraction form
    39,610.80/59,421.96 = 13,323.06/x
  3. Step 3: Cross multiply
    39,610.80x = 59,421.96 × 13,323.06
  4. Step 4: Simplify right side
    39,610.80x = 791,682,338.40
  5. Step 5: Solve for x
    x = 791,682,338.40/39,610.80
  6. Step 6: Final answer
    x = 19,986.53

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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.