Home / 36,428.94-50,272.11-20,513.66

Finding the Fourth Proportional to 36,428.94, 50,272.11 and 20,513.66

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Solution

The fourth proportional to 36,428.94, 50,272.11 and 20,513.66 is: 28,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.94 : 50,272.11 = 20,513.66 : x
  2. Step 2: Convert to fraction form
    36,428.94/50,272.11 = 20,513.66/x
  3. Step 3: Cross multiply
    36,428.94x = 50,272.11 × 20,513.66
  4. Step 4: Simplify right side
    36,428.94x = 1,031,264,720.66
  5. Step 5: Solve for x
    x = 1,031,264,720.66/36,428.94
  6. Step 6: Final answer
    x = 28,308.94

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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.