Home / 50,319.21-75,512.76-20,736.39

Finding the Fourth Proportional to 50,319.21, 75,512.76 and 20,736.39

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Solution

The fourth proportional to 50,319.21, 75,512.76 and 20,736.39 is: 31,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.21 : 75,512.76 = 20,736.39 : x
  2. Step 2: Convert to fraction form
    50,319.21/75,512.76 = 20,736.39/x
  3. Step 3: Cross multiply
    50,319.21x = 75,512.76 × 20,736.39
  4. Step 4: Simplify right side
    50,319.21x = 1,565,862,041.34
  5. Step 5: Solve for x
    x = 1,565,862,041.34/50,319.21
  6. Step 6: Final answer
    x = 31,118.57

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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.