Home / 45,458.96-62,740.84-28,469.64

Finding the Fourth Proportional to 45,458.96, 62,740.84 and 28,469.64

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Solution

The fourth proportional to 45,458.96, 62,740.84 and 28,469.64 is: 39,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,458.96 : 62,740.84 = 28,469.64 : x
  2. Step 2: Convert to fraction form
    45,458.96/62,740.84 = 28,469.64/x
  3. Step 3: Cross multiply
    45,458.96x = 62,740.84 × 28,469.64
  4. Step 4: Simplify right side
    45,458.96x = 1,786,209,128.10
  5. Step 5: Solve for x
    x = 1,786,209,128.10/45,458.96
  6. Step 6: Final answer
    x = 39,292.78

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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.