Home / 53,907.08-80,885.73-20,616.18

Finding the Fourth Proportional to 53,907.08, 80,885.73 and 20,616.18

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Solution

The fourth proportional to 53,907.08, 80,885.73 and 20,616.18 is: 30,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,907.08 : 80,885.73 = 20,616.18 : x
  2. Step 2: Convert to fraction form
    53,907.08/80,885.73 = 20,616.18/x
  3. Step 3: Cross multiply
    53,907.08x = 80,885.73 × 20,616.18
  4. Step 4: Simplify right side
    53,907.08x = 1,667,554,769.11
  5. Step 5: Solve for x
    x = 1,667,554,769.11/53,907.08
  6. Step 6: Final answer
    x = 30,933.87

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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.