Home / 36,899.97-55,317.07-13,520.94

Finding the Fourth Proportional to 36,899.97, 55,317.07 and 13,520.94

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Solution

The fourth proportional to 36,899.97, 55,317.07 and 13,520.94 is: 20,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.97 : 55,317.07 = 13,520.94 : x
  2. Step 2: Convert to fraction form
    36,899.97/55,317.07 = 13,520.94/x
  3. Step 3: Cross multiply
    36,899.97x = 55,317.07 × 13,520.94
  4. Step 4: Simplify right side
    36,899.97x = 747,938,784.45
  5. Step 5: Solve for x
    x = 747,938,784.45/36,899.97
  6. Step 6: Final answer
    x = 20,269.36

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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.