Home / 43,313.73-64,970.52-31,542.36

Finding the Fourth Proportional to 43,313.73, 64,970.52 and 31,542.36

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Solution

The fourth proportional to 43,313.73, 64,970.52 and 31,542.36 is: 47,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.73 : 64,970.52 = 31,542.36 : x
  2. Step 2: Convert to fraction form
    43,313.73/64,970.52 = 31,542.36/x
  3. Step 3: Cross multiply
    43,313.73x = 64,970.52 × 31,542.36
  4. Step 4: Simplify right side
    43,313.73x = 2,049,323,531.23
  5. Step 5: Solve for x
    x = 2,049,323,531.23/43,313.73
  6. Step 6: Final answer
    x = 47,313.49

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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.