Home / 36,209.85-49,971.51-20,299.38

Finding the Fourth Proportional to 36,209.85, 49,971.51 and 20,299.38

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Solution

The fourth proportional to 36,209.85, 49,971.51 and 20,299.38 is: 28,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.85 : 49,971.51 = 20,299.38 : x
  2. Step 2: Convert to fraction form
    36,209.85/49,971.51 = 20,299.38/x
  3. Step 3: Cross multiply
    36,209.85x = 49,971.51 × 20,299.38
  4. Step 4: Simplify right side
    36,209.85x = 1,014,390,670.66
  5. Step 5: Solve for x
    x = 1,014,390,670.66/36,209.85
  6. Step 6: Final answer
    x = 28,014.22

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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.