Home / 43,007.71-64,485.37-19,310.65

Finding the Fourth Proportional to 43,007.71, 64,485.37 and 19,310.65

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Solution

The fourth proportional to 43,007.71, 64,485.37 and 19,310.65 is: 28,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007.71 : 64,485.37 = 19,310.65 : x
  2. Step 2: Convert to fraction form
    43,007.71/64,485.37 = 19,310.65/x
  3. Step 3: Cross multiply
    43,007.71x = 64,485.37 × 19,310.65
  4. Step 4: Simplify right side
    43,007.71x = 1,245,254,527.22
  5. Step 5: Solve for x
    x = 1,245,254,527.22/43,007.71
  6. Step 6: Final answer
    x = 28,954.22

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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.