Home / 39,744.80-59,617.20-39,161.60

Finding the Fourth Proportional to 39,744.80, 59,617.20 and 39,161.60

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Solution

The fourth proportional to 39,744.80, 59,617.20 and 39,161.60 is: 58,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744.80 : 59,617.20 = 39,161.60 : x
  2. Step 2: Convert to fraction form
    39,744.80/59,617.20 = 39,161.60/x
  3. Step 3: Cross multiply
    39,744.80x = 59,617.20 × 39,161.60
  4. Step 4: Simplify right side
    39,744.80x = 2,334,704,939.52
  5. Step 5: Solve for x
    x = 2,334,704,939.52/39,744.80
  6. Step 6: Final answer
    x = 58,742.40

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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.