Home / 36,886.16-50,901-20,115.92

Finding the Fourth Proportional to 36,886.16, 50,901 and 20,115.92

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Solution

The fourth proportional to 36,886.16, 50,901 and 20,115.92 is: 27,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.16 : 50,901 = 20,115.92 : x
  2. Step 2: Convert to fraction form
    36,886.16/50,901 = 20,115.92/x
  3. Step 3: Cross multiply
    36,886.16x = 50,901 × 20,115.92
  4. Step 4: Simplify right side
    36,886.16x = 1,023,920,443.92
  5. Step 5: Solve for x
    x = 1,023,920,443.92/36,886.16
  6. Step 6: Final answer
    x = 27,758.93

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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.