Home / 35,651.09-49,203.70-20,540.84

Finding the Fourth Proportional to 35,651.09, 49,203.70 and 20,540.84

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Solution

The fourth proportional to 35,651.09, 49,203.70 and 20,540.84 is: 28,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,651.09 : 49,203.70 = 20,540.84 : x
  2. Step 2: Convert to fraction form
    35,651.09/49,203.70 = 20,540.84/x
  3. Step 3: Cross multiply
    35,651.09x = 49,203.70 × 20,540.84
  4. Step 4: Simplify right side
    35,651.09x = 1,010,685,031.74
  5. Step 5: Solve for x
    x = 1,010,685,031.74/35,651.09
  6. Step 6: Final answer
    x = 28,349.34

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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.