Home / 32,862.41-45,328.31-20,940.53

Finding the Fourth Proportional to 32,862.41, 45,328.31 and 20,940.53

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Solution

The fourth proportional to 32,862.41, 45,328.31 and 20,940.53 is: 28,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,862.41 : 45,328.31 = 20,940.53 : x
  2. Step 2: Convert to fraction form
    32,862.41/45,328.31 = 20,940.53/x
  3. Step 3: Cross multiply
    32,862.41x = 45,328.31 × 20,940.53
  4. Step 4: Simplify right side
    32,862.41x = 949,198,582.59
  5. Step 5: Solve for x
    x = 949,198,582.59/32,862.41
  6. Step 6: Final answer
    x = 28,884.02

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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.