Home / 35,450.51-48,919.68-20,341.71

Finding the Fourth Proportional to 35,450.51, 48,919.68 and 20,341.71

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Solution

The fourth proportional to 35,450.51, 48,919.68 and 20,341.71 is: 28,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.51 : 48,919.68 = 20,341.71 : x
  2. Step 2: Convert to fraction form
    35,450.51/48,919.68 = 20,341.71/x
  3. Step 3: Cross multiply
    35,450.51x = 48,919.68 × 20,341.71
  4. Step 4: Simplify right side
    35,450.51x = 995,109,943.85
  5. Step 5: Solve for x
    x = 995,109,943.85/35,450.51
  6. Step 6: Final answer
    x = 28,070.40

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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.