Home / 36,218.36-49,982.70-20,303.12

Finding the Fourth Proportional to 36,218.36, 49,982.70 and 20,303.12

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Solution

The fourth proportional to 36,218.36, 49,982.70 and 20,303.12 is: 28,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.36 : 49,982.70 = 20,303.12 : x
  2. Step 2: Convert to fraction form
    36,218.36/49,982.70 = 20,303.12/x
  3. Step 3: Cross multiply
    36,218.36x = 49,982.70 × 20,303.12
  4. Step 4: Simplify right side
    36,218.36x = 1,014,804,756.02
  5. Step 5: Solve for x
    x = 1,014,804,756.02/36,218.36
  6. Step 6: Final answer
    x = 28,019.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.