Home / 39,969.48-55,157.20-22,064.02

Finding the Fourth Proportional to 39,969.48, 55,157.20 and 22,064.02

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Solution

The fourth proportional to 39,969.48, 55,157.20 and 22,064.02 is: 30,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.48 : 55,157.20 = 22,064.02 : x
  2. Step 2: Convert to fraction form
    39,969.48/55,157.20 = 22,064.02/x
  3. Step 3: Cross multiply
    39,969.48x = 55,157.20 × 22,064.02
  4. Step 4: Simplify right side
    39,969.48x = 1,216,989,563.94
  5. Step 5: Solve for x
    x = 1,216,989,563.94/39,969.48
  6. Step 6: Final answer
    x = 30,447.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.