Home / 38,518.08-57,783.20-16,331.60

Finding the Fourth Proportional to 38,518.08, 57,783.20 and 16,331.60

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Solution

The fourth proportional to 38,518.08, 57,783.20 and 16,331.60 is: 24,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,518.08 : 57,783.20 = 16,331.60 : x
  2. Step 2: Convert to fraction form
    38,518.08/57,783.20 = 16,331.60/x
  3. Step 3: Cross multiply
    38,518.08x = 57,783.20 × 16,331.60
  4. Step 4: Simplify right side
    38,518.08x = 943,692,109.12
  5. Step 5: Solve for x
    x = 943,692,109.12/38,518.08
  6. Step 6: Final answer
    x = 24,499.98

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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.