Home / 53,927.40-80,894.70-18,388.20

Finding the Fourth Proportional to 53,927.40, 80,894.70 and 18,388.20

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Solution

The fourth proportional to 53,927.40, 80,894.70 and 18,388.20 is: 27,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,927.40 : 80,894.70 = 18,388.20 : x
  2. Step 2: Convert to fraction form
    53,927.40/80,894.70 = 18,388.20/x
  3. Step 3: Cross multiply
    53,927.40x = 80,894.70 × 18,388.20
  4. Step 4: Simplify right side
    53,927.40x = 1,487,507,922.54
  5. Step 5: Solve for x
    x = 1,487,507,922.54/53,927.40
  6. Step 6: Final answer
    x = 27,583.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.