Home / 45,915.21-68,813.61-22,217.19

Finding the Fourth Proportional to 45,915.21, 68,813.61 and 22,217.19

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Solution

The fourth proportional to 45,915.21, 68,813.61 and 22,217.19 is: 33,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.21 : 68,813.61 = 22,217.19 : x
  2. Step 2: Convert to fraction form
    45,915.21/68,813.61 = 22,217.19/x
  3. Step 3: Cross multiply
    45,915.21x = 68,813.61 × 22,217.19
  4. Step 4: Simplify right side
    45,915.21x = 1,528,844,862.81
  5. Step 5: Solve for x
    x = 1,528,844,862.81/45,915.21
  6. Step 6: Final answer
    x = 33,297.13

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1.5x scale

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.