Home / 30,495.80-42,104.94-23,409.72

Finding the Fourth Proportional to 30,495.80, 42,104.94 and 23,409.72

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Solution

The fourth proportional to 30,495.80, 42,104.94 and 23,409.72 is: 32,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.80 : 42,104.94 = 23,409.72 : x
  2. Step 2: Convert to fraction form
    30,495.80/42,104.94 = 23,409.72/x
  3. Step 3: Cross multiply
    30,495.80x = 42,104.94 × 23,409.72
  4. Step 4: Simplify right side
    30,495.80x = 985,664,856.02
  5. Step 5: Solve for x
    x = 985,664,856.02/30,495.80
  6. Step 6: Final answer
    x = 32,321.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.