Home / 36,855.08-50,860.02-20,939.55

Finding the Fourth Proportional to 36,855.08, 50,860.02 and 20,939.55

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Solution

The fourth proportional to 36,855.08, 50,860.02 and 20,939.55 is: 28,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,855.08 : 50,860.02 = 20,939.55 : x
  2. Step 2: Convert to fraction form
    36,855.08/50,860.02 = 20,939.55/x
  3. Step 3: Cross multiply
    36,855.08x = 50,860.02 × 20,939.55
  4. Step 4: Simplify right side
    36,855.08x = 1,064,985,931.79
  5. Step 5: Solve for x
    x = 1,064,985,931.79/36,855.08
  6. Step 6: Final answer
    x = 28,896.59

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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.