Home / 53,540.87-80,312.58-18,003.33

Finding the Fourth Proportional to 53,540.87, 80,312.58 and 18,003.33

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Solution

The fourth proportional to 53,540.87, 80,312.58 and 18,003.33 is: 27,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.87 : 80,312.58 = 18,003.33 : x
  2. Step 2: Convert to fraction form
    53,540.87/80,312.58 = 18,003.33/x
  3. Step 3: Cross multiply
    53,540.87x = 80,312.58 × 18,003.33
  4. Step 4: Simplify right side
    53,540.87x = 1,445,893,880.89
  5. Step 5: Solve for x
    x = 1,445,893,880.89/53,540.87
  6. Step 6: Final answer
    x = 27,005.43

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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.