Home / 39,465.84-54,466.62-21,563.55

Finding the Fourth Proportional to 39,465.84, 54,466.62 and 21,563.55

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Solution

The fourth proportional to 39,465.84, 54,466.62 and 21,563.55 is: 29,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.84 : 54,466.62 = 21,563.55 : x
  2. Step 2: Convert to fraction form
    39,465.84/54,466.62 = 21,563.55/x
  3. Step 3: Cross multiply
    39,465.84x = 54,466.62 × 21,563.55
  4. Step 4: Simplify right side
    39,465.84x = 1,174,493,683.70
  5. Step 5: Solve for x
    x = 1,174,493,683.70/39,465.84
  6. Step 6: Final answer
    x = 29,759.75

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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.