Home / 36,216.75-49,981.25-20,303.60

Finding the Fourth Proportional to 36,216.75, 49,981.25 and 20,303.60

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Solution

The fourth proportional to 36,216.75, 49,981.25 and 20,303.60 is: 28,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216.75 : 49,981.25 = 20,303.60 : x
  2. Step 2: Convert to fraction form
    36,216.75/49,981.25 = 20,303.60/x
  3. Step 3: Cross multiply
    36,216.75x = 49,981.25 × 20,303.60
  4. Step 4: Simplify right side
    36,216.75x = 1,014,799,108.35
  5. Step 5: Solve for x
    x = 1,014,799,108.35/36,216.75
  6. Step 6: Final answer
    x = 28,020.16

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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.