Home / 39,485.34-54,489.60-22,718.34

Finding the Fourth Proportional to 39,485.34, 54,489.60 and 22,718.34

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Solution

The fourth proportional to 39,485.34, 54,489.60 and 22,718.34 is: 31,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,485.34 : 54,489.60 = 22,718.34 : x
  2. Step 2: Convert to fraction form
    39,485.34/54,489.60 = 22,718.34/x
  3. Step 3: Cross multiply
    39,485.34x = 54,489.60 × 22,718.34
  4. Step 4: Simplify right side
    39,485.34x = 1,237,913,259.26
  5. Step 5: Solve for x
    x = 1,237,913,259.26/39,485.34
  6. Step 6: Final answer
    x = 31,351.21

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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.