Home / 35,457.45-48,917.57-20,344.65

Finding the Fourth Proportional to 35,457.45, 48,917.57 and 20,344.65

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Solution

The fourth proportional to 35,457.45, 48,917.57 and 20,344.65 is: 28,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.45 : 48,917.57 = 20,344.65 : x
  2. Step 2: Convert to fraction form
    35,457.45/48,917.57 = 20,344.65/x
  3. Step 3: Cross multiply
    35,457.45x = 48,917.57 × 20,344.65
  4. Step 4: Simplify right side
    35,457.45x = 995,210,738.78
  5. Step 5: Solve for x
    x = 995,210,738.78/35,457.45
  6. Step 6: Final answer
    x = 28,067.75

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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.