Home / 35,651.10-49,203.69-20,540.85

Finding the Fourth Proportional to 35,651.10, 49,203.69 and 20,540.85

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Solution

The fourth proportional to 35,651.10, 49,203.69 and 20,540.85 is: 28,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,651.10 : 49,203.69 = 20,540.85 : x
  2. Step 2: Convert to fraction form
    35,651.10/49,203.69 = 20,540.85/x
  3. Step 3: Cross multiply
    35,651.10x = 49,203.69 × 20,540.85
  4. Step 4: Simplify right side
    35,651.10x = 1,010,685,615.74
  5. Step 5: Solve for x
    x = 1,010,685,615.74/35,651.10
  6. Step 6: Final answer
    x = 28,349.35

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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.