Home / 30,840.48-46,258.56-8,652.96

Finding the Fourth Proportional to 30,840.48, 46,258.56 and 8,652.96

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Solution

The fourth proportional to 30,840.48, 46,258.56 and 8,652.96 is: 12,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.48 : 46,258.56 = 8,652.96 : x
  2. Step 2: Convert to fraction form
    30,840.48/46,258.56 = 8,652.96/x
  3. Step 3: Cross multiply
    30,840.48x = 46,258.56 × 8,652.96
  4. Step 4: Simplify right side
    30,840.48x = 400,273,469.34
  5. Step 5: Solve for x
    x = 400,273,469.34/30,840.48
  6. Step 6: Final answer
    x = 12,978.83

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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.