Home / 53,730.54-80,595.75-18,670.20

Finding the Fourth Proportional to 53,730.54, 80,595.75 and 18,670.20

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Solution

The fourth proportional to 53,730.54, 80,595.75 and 18,670.20 is: 28,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.54 : 80,595.75 = 18,670.20 : x
  2. Step 2: Convert to fraction form
    53,730.54/80,595.75 = 18,670.20/x
  3. Step 3: Cross multiply
    53,730.54x = 80,595.75 × 18,670.20
  4. Step 4: Simplify right side
    53,730.54x = 1,504,738,771.65
  5. Step 5: Solve for x
    x = 1,504,738,771.65/53,730.54
  6. Step 6: Final answer
    x = 28,005.28

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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.