Home / 39,465.83-54,466.61-21,563.53

Finding the Fourth Proportional to 39,465.83, 54,466.61 and 21,563.53

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Solution

The fourth proportional to 39,465.83, 54,466.61 and 21,563.53 is: 29,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.83 : 54,466.61 = 21,563.53 : x
  2. Step 2: Convert to fraction form
    39,465.83/54,466.61 = 21,563.53/x
  3. Step 3: Cross multiply
    39,465.83x = 54,466.61 × 21,563.53
  4. Step 4: Simplify right side
    39,465.83x = 1,174,492,378.73
  5. Step 5: Solve for x
    x = 1,174,492,378.73/39,465.83
  6. Step 6: Final answer
    x = 29,759.73

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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.