Home / 36,218.96-49,981.48-20,303.60

Finding the Fourth Proportional to 36,218.96, 49,981.48 and 20,303.60

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Solution

The fourth proportional to 36,218.96, 49,981.48 and 20,303.60 is: 28,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.96 : 49,981.48 = 20,303.60 : x
  2. Step 2: Convert to fraction form
    36,218.96/49,981.48 = 20,303.60/x
  3. Step 3: Cross multiply
    36,218.96x = 49,981.48 × 20,303.60
  4. Step 4: Simplify right side
    36,218.96x = 1,014,803,977.33
  5. Step 5: Solve for x
    x = 1,014,803,977.33/36,218.96
  6. Step 6: Final answer
    x = 28,018.58

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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.