Home / 52,351.92-72,245.60-28,478.54

Finding the Fourth Proportional to 52,351.92, 72,245.60 and 28,478.54

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Solution

The fourth proportional to 52,351.92, 72,245.60 and 28,478.54 is: 39,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,351.92 : 72,245.60 = 28,478.54 : x
  2. Step 2: Convert to fraction form
    52,351.92/72,245.60 = 28,478.54/x
  3. Step 3: Cross multiply
    52,351.92x = 72,245.60 × 28,478.54
  4. Step 4: Simplify right side
    52,351.92x = 2,057,448,705.80
  5. Step 5: Solve for x
    x = 2,057,448,705.80/52,351.92
  6. Step 6: Final answer
    x = 39,300.35

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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.