Home / 53,905.62-80,855.67-20,623.14

Finding the Fourth Proportional to 53,905.62, 80,855.67 and 20,623.14

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Solution

The fourth proportional to 53,905.62, 80,855.67 and 20,623.14 is: 30,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.62 : 80,855.67 = 20,623.14 : x
  2. Step 2: Convert to fraction form
    53,905.62/80,855.67 = 20,623.14/x
  3. Step 3: Cross multiply
    53,905.62x = 80,855.67 × 20,623.14
  4. Step 4: Simplify right side
    53,905.62x = 1,667,497,802.20
  5. Step 5: Solve for x
    x = 1,667,497,802.20/53,905.62
  6. Step 6: Final answer
    x = 30,933.65

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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.