Home / 39,378.22-59,050.68-21,603.82

Finding the Fourth Proportional to 39,378.22, 59,050.68 and 21,603.82

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Solution

The fourth proportional to 39,378.22, 59,050.68 and 21,603.82 is: 32,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,378.22 : 59,050.68 = 21,603.82 : x
  2. Step 2: Convert to fraction form
    39,378.22/59,050.68 = 21,603.82/x
  3. Step 3: Cross multiply
    39,378.22x = 59,050.68 × 21,603.82
  4. Step 4: Simplify right side
    39,378.22x = 1,275,720,261.60
  5. Step 5: Solve for x
    x = 1,275,720,261.60/39,378.22
  6. Step 6: Final answer
    x = 32,396.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.