Home / 36,519.88-50,393.10-20,603.40

Finding the Fourth Proportional to 36,519.88, 50,393.10 and 20,603.40

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Solution

The fourth proportional to 36,519.88, 50,393.10 and 20,603.40 is: 28,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.88 : 50,393.10 = 20,603.40 : x
  2. Step 2: Convert to fraction form
    36,519.88/50,393.10 = 20,603.40/x
  3. Step 3: Cross multiply
    36,519.88x = 50,393.10 × 20,603.40
  4. Step 4: Simplify right side
    36,519.88x = 1,038,269,196.54
  5. Step 5: Solve for x
    x = 1,038,269,196.54/36,519.88
  6. Step 6: Final answer
    x = 28,430.25

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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.