Home / 65,650.06-90,603.75-38,801.26

Finding the Fourth Proportional to 65,650.06, 90,603.75 and 38,801.26

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Solution

The fourth proportional to 65,650.06, 90,603.75 and 38,801.26 is: 53,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,650.06 : 90,603.75 = 38,801.26 : x
  2. Step 2: Convert to fraction form
    65,650.06/90,603.75 = 38,801.26/x
  3. Step 3: Cross multiply
    65,650.06x = 90,603.75 × 38,801.26
  4. Step 4: Simplify right side
    65,650.06x = 3,515,539,660.73
  5. Step 5: Solve for x
    x = 3,515,539,660.73/65,650.06
  6. Step 6: Final answer
    x = 53,549.68

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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.