Home / 36,512.88-50,387.58-20,602.50

Finding the Fourth Proportional to 36,512.88, 50,387.58 and 20,602.50

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Solution

The fourth proportional to 36,512.88, 50,387.58 and 20,602.50 is: 28,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,512.88 : 50,387.58 = 20,602.50 : x
  2. Step 2: Convert to fraction form
    36,512.88/50,387.58 = 20,602.50/x
  3. Step 3: Cross multiply
    36,512.88x = 50,387.58 × 20,602.50
  4. Step 4: Simplify right side
    36,512.88x = 1,038,110,116.95
  5. Step 5: Solve for x
    x = 1,038,110,116.95/36,512.88
  6. Step 6: Final answer
    x = 28,431.34

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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.