Home / 34,899.15-48,147.77-20,550.21

Finding the Fourth Proportional to 34,899.15, 48,147.77 and 20,550.21

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Solution

The fourth proportional to 34,899.15, 48,147.77 and 20,550.21 is: 28,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,899.15 : 48,147.77 = 20,550.21 : x
  2. Step 2: Convert to fraction form
    34,899.15/48,147.77 = 20,550.21/x
  3. Step 3: Cross multiply
    34,899.15x = 48,147.77 × 20,550.21
  4. Step 4: Simplify right side
    34,899.15x = 989,446,681.78
  5. Step 5: Solve for x
    x = 989,446,681.78/34,899.15
  6. Step 6: Final answer
    x = 28,351.60

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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.