Home / 36,903.38-50,926.39-20,987.81

Finding the Fourth Proportional to 36,903.38, 50,926.39 and 20,987.81

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Solution

The fourth proportional to 36,903.38, 50,926.39 and 20,987.81 is: 28,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.38 : 50,926.39 = 20,987.81 : x
  2. Step 2: Convert to fraction form
    36,903.38/50,926.39 = 20,987.81/x
  3. Step 3: Cross multiply
    36,903.38x = 50,926.39 × 20,987.81
  4. Step 4: Simplify right side
    36,903.38x = 1,068,833,090.20
  5. Step 5: Solve for x
    x = 1,068,833,090.20/36,903.38
  6. Step 6: Final answer
    x = 28,963.02

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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.