Home / 43,313.42-64,969.74-13,730.49

Finding the Fourth Proportional to 43,313.42, 64,969.74 and 13,730.49

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Solution

The fourth proportional to 43,313.42, 64,969.74 and 13,730.49 is: 20,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.42 : 64,969.74 = 13,730.49 : x
  2. Step 2: Convert to fraction form
    43,313.42/64,969.74 = 13,730.49/x
  3. Step 3: Cross multiply
    43,313.42x = 64,969.74 × 13,730.49
  4. Step 4: Simplify right side
    43,313.42x = 892,066,365.37
  5. Step 5: Solve for x
    x = 892,066,365.37/43,313.42
  6. Step 6: Final answer
    x = 20,595.61

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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.