Home / 53,273.64-79,813.54-31,019.56

Finding the Fourth Proportional to 53,273.64, 79,813.54 and 31,019.56

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Solution

The fourth proportional to 53,273.64, 79,813.54 and 31,019.56 is: 46,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.64 : 79,813.54 = 31,019.56 : x
  2. Step 2: Convert to fraction form
    53,273.64/79,813.54 = 31,019.56/x
  3. Step 3: Cross multiply
    53,273.64x = 79,813.54 × 31,019.56
  4. Step 4: Simplify right side
    53,273.64x = 2,475,780,892.84
  5. Step 5: Solve for x
    x = 2,475,780,892.84/53,273.64
  6. Step 6: Final answer
    x = 46,472.91

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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.