Home / 45,020.80-62,128.60-25,148.80

Finding the Fourth Proportional to 45,020.80, 62,128.60 and 25,148.80

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Solution

The fourth proportional to 45,020.80, 62,128.60 and 25,148.80 is: 34,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,020.80 : 62,128.60 = 25,148.80 : x
  2. Step 2: Convert to fraction form
    45,020.80/62,128.60 = 25,148.80/x
  3. Step 3: Cross multiply
    45,020.80x = 62,128.60 × 25,148.80
  4. Step 4: Simplify right side
    45,020.80x = 1,562,459,735.68
  5. Step 5: Solve for x
    x = 1,562,459,735.68/45,020.80
  6. Step 6: Final answer
    x = 34,705.29

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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.