Home / 39,343.86-59,033.20-20,619.42

Finding the Fourth Proportional to 39,343.86, 59,033.20 and 20,619.42

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Solution

The fourth proportional to 39,343.86, 59,033.20 and 20,619.42 is: 30,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.86 : 59,033.20 = 20,619.42 : x
  2. Step 2: Convert to fraction form
    39,343.86/59,033.20 = 20,619.42/x
  3. Step 3: Cross multiply
    39,343.86x = 59,033.20 × 20,619.42
  4. Step 4: Simplify right side
    39,343.86x = 1,217,230,344.74
  5. Step 5: Solve for x
    x = 1,217,230,344.74/39,343.86
  6. Step 6: Final answer
    x = 30,938.25

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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.