Home / 36,886.81-50,900.38-20,968.15

Finding the Fourth Proportional to 36,886.81, 50,900.38 and 20,968.15

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Solution

The fourth proportional to 36,886.81, 50,900.38 and 20,968.15 is: 28,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.81 : 50,900.38 = 20,968.15 : x
  2. Step 2: Convert to fraction form
    36,886.81/50,900.38 = 20,968.15/x
  3. Step 3: Cross multiply
    36,886.81x = 50,900.38 × 20,968.15
  4. Step 4: Simplify right side
    36,886.81x = 1,067,286,802.90
  5. Step 5: Solve for x
    x = 1,067,286,802.90/36,886.81
  6. Step 6: Final answer
    x = 28,934.10

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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.