Home / 36,258.72-54,385.44-12,560.64

Finding the Fourth Proportional to 36,258.72, 54,385.44 and 12,560.64

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Solution

The fourth proportional to 36,258.72, 54,385.44 and 12,560.64 is: 18,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,258.72 : 54,385.44 = 12,560.64 : x
  2. Step 2: Convert to fraction form
    36,258.72/54,385.44 = 12,560.64/x
  3. Step 3: Cross multiply
    36,258.72x = 54,385.44 × 12,560.64
  4. Step 4: Simplify right side
    36,258.72x = 683,115,933.08
  5. Step 5: Solve for x
    x = 683,115,933.08/36,258.72
  6. Step 6: Final answer
    x = 18,840.05

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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.