Home / 53,838.41-80,668.75-31,285.78

Finding the Fourth Proportional to 53,838.41, 80,668.75 and 31,285.78

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Solution

The fourth proportional to 53,838.41, 80,668.75 and 31,285.78 is: 46,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.41 : 80,668.75 = 31,285.78 : x
  2. Step 2: Convert to fraction form
    53,838.41/80,668.75 = 31,285.78/x
  3. Step 3: Cross multiply
    53,838.41x = 80,668.75 × 31,285.78
  4. Step 4: Simplify right side
    53,838.41x = 2,523,784,485.49
  5. Step 5: Solve for x
    x = 2,523,784,485.49/53,838.41
  6. Step 6: Final answer
    x = 46,877.03

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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.