Home / 36,520.36-50,393.82-20,603.86

Finding the Fourth Proportional to 36,520.36, 50,393.82 and 20,603.86

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Solution

The fourth proportional to 36,520.36, 50,393.82 and 20,603.86 is: 28,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.36 : 50,393.82 = 20,603.86 : x
  2. Step 2: Convert to fraction form
    36,520.36/50,393.82 = 20,603.86/x
  3. Step 3: Cross multiply
    36,520.36x = 50,393.82 × 20,603.86
  4. Step 4: Simplify right side
    36,520.36x = 1,038,307,212.15
  5. Step 5: Solve for x
    x = 1,038,307,212.15/36,520.36
  6. Step 6: Final answer
    x = 28,430.91

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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.