Home / 53,839.53-80,670.43-31,286.91

Finding the Fourth Proportional to 53,839.53, 80,670.43 and 31,286.91

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Solution

The fourth proportional to 53,839.53, 80,670.43 and 31,286.91 is: 46,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.53 : 80,670.43 = 31,286.91 : x
  2. Step 2: Convert to fraction form
    53,839.53/80,670.43 = 31,286.91/x
  3. Step 3: Cross multiply
    53,839.53x = 80,670.43 × 31,286.91
  4. Step 4: Simplify right side
    53,839.53x = 2,523,928,483.07
  5. Step 5: Solve for x
    x = 2,523,928,483.07/53,839.53
  6. Step 6: Final answer
    x = 46,878.72

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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.