Home / 38,043.10-57,078.15-16,981.22

Finding the Fourth Proportional to 38,043.10, 57,078.15 and 16,981.22

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Solution

The fourth proportional to 38,043.10, 57,078.15 and 16,981.22 is: 25,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.10 : 57,078.15 = 16,981.22 : x
  2. Step 2: Convert to fraction form
    38,043.10/57,078.15 = 16,981.22/x
  3. Step 3: Cross multiply
    38,043.10x = 57,078.15 × 16,981.22
  4. Step 4: Simplify right side
    38,043.10x = 969,256,622.34
  5. Step 5: Solve for x
    x = 969,256,622.34/38,043.10
  6. Step 6: Final answer
    x = 25,477.86

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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.