Home / 43,005.69-64,504.49-14,921.37

Finding the Fourth Proportional to 43,005.69, 64,504.49 and 14,921.37

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Solution

The fourth proportional to 43,005.69, 64,504.49 and 14,921.37 is: 22,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,005.69 : 64,504.49 = 14,921.37 : x
  2. Step 2: Convert to fraction form
    43,005.69/64,504.49 = 14,921.37/x
  3. Step 3: Cross multiply
    43,005.69x = 64,504.49 × 14,921.37
  4. Step 4: Simplify right side
    43,005.69x = 962,495,287.34
  5. Step 5: Solve for x
    x = 962,495,287.34/43,005.69
  6. Step 6: Final answer
    x = 22,380.65

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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.