Home / 36,402.88-50,225.92-20,486.40

Finding the Fourth Proportional to 36,402.88, 50,225.92 and 20,486.40

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Solution

The fourth proportional to 36,402.88, 50,225.92 and 20,486.40 is: 28,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.88 : 50,225.92 = 20,486.40 : x
  2. Step 2: Convert to fraction form
    36,402.88/50,225.92 = 20,486.40/x
  3. Step 3: Cross multiply
    36,402.88x = 50,225.92 × 20,486.40
  4. Step 4: Simplify right side
    36,402.88x = 1,028,948,287.49
  5. Step 5: Solve for x
    x = 1,028,948,287.49/36,402.88
  6. Step 6: Final answer
    x = 28,265.57

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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.