Home / 53,730.08-80,603.04-18,660.32

Finding the Fourth Proportional to 53,730.08, 80,603.04 and 18,660.32

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Solution

The fourth proportional to 53,730.08, 80,603.04 and 18,660.32 is: 27,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.08 : 80,603.04 = 18,660.32 : x
  2. Step 2: Convert to fraction form
    53,730.08/80,603.04 = 18,660.32/x
  3. Step 3: Cross multiply
    53,730.08x = 80,603.04 × 18,660.32
  4. Step 4: Simplify right side
    53,730.08x = 1,504,078,519.37
  5. Step 5: Solve for x
    x = 1,504,078,519.37/53,730.08
  6. Step 6: Final answer
    x = 27,993.23

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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.