Home / 36,445.36-54,652.72-12,747.84

Finding the Fourth Proportional to 36,445.36, 54,652.72 and 12,747.84

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Solution

The fourth proportional to 36,445.36, 54,652.72 and 12,747.84 is: 19,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,445.36 : 54,652.72 = 12,747.84 : x
  2. Step 2: Convert to fraction form
    36,445.36/54,652.72 = 12,747.84/x
  3. Step 3: Cross multiply
    36,445.36x = 54,652.72 × 12,747.84
  4. Step 4: Simplify right side
    36,445.36x = 696,704,130.12
  5. Step 5: Solve for x
    x = 696,704,130.12/36,445.36
  6. Step 6: Final answer
    x = 19,116.40

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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.