Home / 36,428.88-50,271.36-20,513.52

Finding the Fourth Proportional to 36,428.88, 50,271.36 and 20,513.52

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Solution

The fourth proportional to 36,428.88, 50,271.36 and 20,513.52 is: 28,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.88 : 50,271.36 = 20,513.52 : x
  2. Step 2: Convert to fraction form
    36,428.88/50,271.36 = 20,513.52/x
  3. Step 3: Cross multiply
    36,428.88x = 50,271.36 × 20,513.52
  4. Step 4: Simplify right side
    36,428.88x = 1,031,242,548.79
  5. Step 5: Solve for x
    x = 1,031,242,548.79/36,428.88
  6. Step 6: Final answer
    x = 28,308.38

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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.