Home / 35,465.45-48,928.59-20,352.65

Finding the Fourth Proportional to 35,465.45, 48,928.59 and 20,352.65

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Solution

The fourth proportional to 35,465.45, 48,928.59 and 20,352.65 is: 28,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.45 : 48,928.59 = 20,352.65 : x
  2. Step 2: Convert to fraction form
    35,465.45/48,928.59 = 20,352.65/x
  3. Step 3: Cross multiply
    35,465.45x = 48,928.59 × 20,352.65
  4. Step 4: Simplify right side
    35,465.45x = 995,826,467.26
  5. Step 5: Solve for x
    x = 995,826,467.26/35,465.45
  6. Step 6: Final answer
    x = 28,078.78

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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.