Home / 45,624.08-68,418.68-21,925

Finding the Fourth Proportional to 45,624.08, 68,418.68 and 21,925

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Solution

The fourth proportional to 45,624.08, 68,418.68 and 21,925 is: 32,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,624.08 : 68,418.68 = 21,925 : x
  2. Step 2: Convert to fraction form
    45,624.08/68,418.68 = 21,925/x
  3. Step 3: Cross multiply
    45,624.08x = 68,418.68 × 21,925
  4. Step 4: Simplify right side
    45,624.08x = 1,500,079,559.00
  5. Step 5: Solve for x
    x = 1,500,079,559.00/45,624.08
  6. Step 6: Final answer
    x = 32,879.12

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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.