Home / 50,319.22-75,512.77-20,736.40

Finding the Fourth Proportional to 50,319.22, 75,512.77 and 20,736.40

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Solution

The fourth proportional to 50,319.22, 75,512.77 and 20,736.40 is: 31,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.22 : 75,512.77 = 20,736.40 : x
  2. Step 2: Convert to fraction form
    50,319.22/75,512.77 = 20,736.40/x
  3. Step 3: Cross multiply
    50,319.22x = 75,512.77 × 20,736.40
  4. Step 4: Simplify right side
    50,319.22x = 1,565,862,522.58
  5. Step 5: Solve for x
    x = 1,565,862,522.58/50,319.22
  6. Step 6: Final answer
    x = 31,118.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.