Home / 36,719.72-50,673.08-20,807.20

Finding the Fourth Proportional to 36,719.72, 50,673.08 and 20,807.20

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Solution

The fourth proportional to 36,719.72, 50,673.08 and 20,807.20 is: 28,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719.72 : 50,673.08 = 20,807.20 : x
  2. Step 2: Convert to fraction form
    36,719.72/50,673.08 = 20,807.20/x
  3. Step 3: Cross multiply
    36,719.72x = 50,673.08 × 20,807.20
  4. Step 4: Simplify right side
    36,719.72x = 1,054,364,835.51
  5. Step 5: Solve for x
    x = 1,054,364,835.51/36,719.72
  6. Step 6: Final answer
    x = 28,713.86

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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.