Home / 39,268.01-58,911.12-20,558.22

Finding the Fourth Proportional to 39,268.01, 58,911.12 and 20,558.22

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Solution

The fourth proportional to 39,268.01, 58,911.12 and 20,558.22 is: 30,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.01 : 58,911.12 = 20,558.22 : x
  2. Step 2: Convert to fraction form
    39,268.01/58,911.12 = 20,558.22/x
  3. Step 3: Cross multiply
    39,268.01x = 58,911.12 × 20,558.22
  4. Step 4: Simplify right side
    39,268.01x = 1,211,107,765.41
  5. Step 5: Solve for x
    x = 1,211,107,765.41/39,268.01
  6. Step 6: Final answer
    x = 30,842.10

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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.