Home / 30,107.60-41,534.68-19,500.64

Finding the Fourth Proportional to 30,107.60, 41,534.68 and 19,500.64

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Solution

The fourth proportional to 30,107.60, 41,534.68 and 19,500.64 is: 26,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.60 : 41,534.68 = 19,500.64 : x
  2. Step 2: Convert to fraction form
    30,107.60/41,534.68 = 19,500.64/x
  3. Step 3: Cross multiply
    30,107.60x = 41,534.68 × 19,500.64
  4. Step 4: Simplify right side
    30,107.60x = 809,952,842.20
  5. Step 5: Solve for x
    x = 809,952,842.20/30,107.60
  6. Step 6: Final answer
    x = 26,901.94

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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.