Home / 30,032.41-41,435.63-20,957.53

Finding the Fourth Proportional to 30,032.41, 41,435.63 and 20,957.53

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Solution

The fourth proportional to 30,032.41, 41,435.63 and 20,957.53 is: 28,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,032.41 : 41,435.63 = 20,957.53 : x
  2. Step 2: Convert to fraction form
    30,032.41/41,435.63 = 20,957.53/x
  3. Step 3: Cross multiply
    30,032.41x = 41,435.63 × 20,957.53
  4. Step 4: Simplify right side
    30,032.41x = 868,388,329.01
  5. Step 5: Solve for x
    x = 868,388,329.01/30,032.41
  6. Step 6: Final answer
    x = 28,915.04

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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.