Home / 36,727.08-50,681.36-20,811.18

Finding the Fourth Proportional to 36,727.08, 50,681.36 and 20,811.18

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Solution

The fourth proportional to 36,727.08, 50,681.36 and 20,811.18 is: 28,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,727.08 : 50,681.36 = 20,811.18 : x
  2. Step 2: Convert to fraction form
    36,727.08/50,681.36 = 20,811.18/x
  3. Step 3: Cross multiply
    36,727.08x = 50,681.36 × 20,811.18
  4. Step 4: Simplify right side
    36,727.08x = 1,054,738,905.60
  5. Step 5: Solve for x
    x = 1,054,738,905.60/36,727.08
  6. Step 6: Final answer
    x = 28,718.29

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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.