Home / 36,072.40-54,108.60-12,701.20

Finding the Fourth Proportional to 36,072.40, 54,108.60 and 12,701.20

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Solution

The fourth proportional to 36,072.40, 54,108.60 and 12,701.20 is: 19,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.40 : 54,108.60 = 12,701.20 : x
  2. Step 2: Convert to fraction form
    36,072.40/54,108.60 = 12,701.20/x
  3. Step 3: Cross multiply
    36,072.40x = 54,108.60 × 12,701.20
  4. Step 4: Simplify right side
    36,072.40x = 687,244,150.32
  5. Step 5: Solve for x
    x = 687,244,150.32/36,072.40
  6. Step 6: Final answer
    x = 19,051.80

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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.