Home / 35,651.07-49,194.74-20,540.72

Finding the Fourth Proportional to 35,651.07, 49,194.74 and 20,540.72

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Solution

The fourth proportional to 35,651.07, 49,194.74 and 20,540.72 is: 28,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,651.07 : 49,194.74 = 20,540.72 : x
  2. Step 2: Convert to fraction form
    35,651.07/49,194.74 = 20,540.72/x
  3. Step 3: Cross multiply
    35,651.07x = 49,194.74 × 20,540.72
  4. Step 4: Simplify right side
    35,651.07x = 1,010,495,554.15
  5. Step 5: Solve for x
    x = 1,010,495,554.15/35,651.07
  6. Step 6: Final answer
    x = 28,344.05

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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.