Home / 36,091.37-54,141.01-12,400.70

Finding the Fourth Proportional to 36,091.37, 54,141.01 and 12,400.70

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Solution

The fourth proportional to 36,091.37, 54,141.01 and 12,400.70 is: 18,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,091.37 : 54,141.01 = 12,400.70 : x
  2. Step 2: Convert to fraction form
    36,091.37/54,141.01 = 12,400.70/x
  3. Step 3: Cross multiply
    36,091.37x = 54,141.01 × 12,400.70
  4. Step 4: Simplify right side
    36,091.37x = 671,386,121.00
  5. Step 5: Solve for x
    x = 671,386,121.00/36,091.37
  6. Step 6: Final answer
    x = 18,602.40

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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.