Home / 38,623.20-57,940.20-16,436.40

Finding the Fourth Proportional to 38,623.20, 57,940.20 and 16,436.40

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Solution

The fourth proportional to 38,623.20, 57,940.20 and 16,436.40 is: 24,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,623.20 : 57,940.20 = 16,436.40 : x
  2. Step 2: Convert to fraction form
    38,623.20/57,940.20 = 16,436.40/x
  3. Step 3: Cross multiply
    38,623.20x = 57,940.20 × 16,436.40
  4. Step 4: Simplify right side
    38,623.20x = 952,328,303.28
  5. Step 5: Solve for x
    x = 952,328,303.28/38,623.20
  6. Step 6: Final answer
    x = 24,656.90

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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.