Home / 53,837.28-80,667.06-31,284.65

Finding the Fourth Proportional to 53,837.28, 80,667.06 and 31,284.65

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Solution

The fourth proportional to 53,837.28, 80,667.06 and 31,284.65 is: 46,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,837.28 : 80,667.06 = 31,284.65 : x
  2. Step 2: Convert to fraction form
    53,837.28/80,667.06 = 31,284.65/x
  3. Step 3: Cross multiply
    53,837.28x = 80,667.06 × 31,284.65
  4. Step 4: Simplify right side
    53,837.28x = 2,523,640,940.30
  5. Step 5: Solve for x
    x = 2,523,640,940.30/53,837.28
  6. Step 6: Final answer
    x = 46,875.34

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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.