Home / 39,735.60-54,835.50-21,832.26

Finding the Fourth Proportional to 39,735.60, 54,835.50 and 21,832.26

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Solution

The fourth proportional to 39,735.60, 54,835.50 and 21,832.26 is: 30,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.60 : 54,835.50 = 21,832.26 : x
  2. Step 2: Convert to fraction form
    39,735.60/54,835.50 = 21,832.26/x
  3. Step 3: Cross multiply
    39,735.60x = 54,835.50 × 21,832.26
  4. Step 4: Simplify right side
    39,735.60x = 1,197,182,893.23
  5. Step 5: Solve for x
    x = 1,197,182,893.23/39,735.60
  6. Step 6: Final answer
    x = 30,128.72

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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.