Home / 30,589.28-45,879.60-9,810.08

Finding the Fourth Proportional to 30,589.28, 45,879.60 and 9,810.08

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Solution

The fourth proportional to 30,589.28, 45,879.60 and 9,810.08 is: 14,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.28 : 45,879.60 = 9,810.08 : x
  2. Step 2: Convert to fraction form
    30,589.28/45,879.60 = 9,810.08/x
  3. Step 3: Cross multiply
    30,589.28x = 45,879.60 × 9,810.08
  4. Step 4: Simplify right side
    30,589.28x = 450,082,546.37
  5. Step 5: Solve for x
    x = 450,082,546.37/30,589.28
  6. Step 6: Final answer
    x = 14,713.73

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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.