Home / 53,087.08-79,611.49-18,018.54

Finding the Fourth Proportional to 53,087.08, 79,611.49 and 18,018.54

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Solution

The fourth proportional to 53,087.08, 79,611.49 and 18,018.54 is: 27,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,087.08 : 79,611.49 = 18,018.54 : x
  2. Step 2: Convert to fraction form
    53,087.08/79,611.49 = 18,018.54/x
  3. Step 3: Cross multiply
    53,087.08x = 79,611.49 × 18,018.54
  4. Step 4: Simplify right side
    53,087.08x = 1,434,482,817.02
  5. Step 5: Solve for x
    x = 1,434,482,817.02/53,087.08
  6. Step 6: Final answer
    x = 27,021.32

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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.