Home / 39,126.12-53,985.60-23,215.83

Finding the Fourth Proportional to 39,126.12, 53,985.60 and 23,215.83

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Solution

The fourth proportional to 39,126.12, 53,985.60 and 23,215.83 is: 32,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.12 : 53,985.60 = 23,215.83 : x
  2. Step 2: Convert to fraction form
    39,126.12/53,985.60 = 23,215.83/x
  3. Step 3: Cross multiply
    39,126.12x = 53,985.60 × 23,215.83
  4. Step 4: Simplify right side
    39,126.12x = 1,253,320,512.05
  5. Step 5: Solve for x
    x = 1,253,320,512.05/39,126.12
  6. Step 6: Final answer
    x = 32,032.83

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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.