Home / 36,988.04-51,040.94-20,855.93

Finding the Fourth Proportional to 36,988.04, 51,040.94 and 20,855.93

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Solution

The fourth proportional to 36,988.04, 51,040.94 and 20,855.93 is: 28,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.04 : 51,040.94 = 20,855.93 : x
  2. Step 2: Convert to fraction form
    36,988.04/51,040.94 = 20,855.93/x
  3. Step 3: Cross multiply
    36,988.04x = 51,040.94 × 20,855.93
  4. Step 4: Simplify right side
    36,988.04x = 1,064,505,912.29
  5. Step 5: Solve for x
    x = 1,064,505,912.29/36,988.04
  6. Step 6: Final answer
    x = 28,779.73

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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.