Home / 44,683.10-66,915.30-21,282.20

Finding the Fourth Proportional to 44,683.10, 66,915.30 and 21,282.20

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Solution

The fourth proportional to 44,683.10, 66,915.30 and 21,282.20 is: 31,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,683.10 : 66,915.30 = 21,282.20 : x
  2. Step 2: Convert to fraction form
    44,683.10/66,915.30 = 21,282.20/x
  3. Step 3: Cross multiply
    44,683.10x = 66,915.30 × 21,282.20
  4. Step 4: Simplify right side
    44,683.10x = 1,424,104,797.66
  5. Step 5: Solve for x
    x = 1,424,104,797.66/44,683.10
  6. Step 6: Final answer
    x = 31,871.22

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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.