Home / 30,441.57-45,656.88-13,798.50

Finding the Fourth Proportional to 30,441.57, 45,656.88 and 13,798.50

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Solution

The fourth proportional to 30,441.57, 45,656.88 and 13,798.50 is: 20,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441.57 : 45,656.88 = 13,798.50 : x
  2. Step 2: Convert to fraction form
    30,441.57/45,656.88 = 13,798.50/x
  3. Step 3: Cross multiply
    30,441.57x = 45,656.88 × 13,798.50
  4. Step 4: Simplify right side
    30,441.57x = 629,996,458.68
  5. Step 5: Solve for x
    x = 629,996,458.68/30,441.57
  6. Step 6: Final answer
    x = 20,695.27

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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.