Home / 51,349.43-77,043.27-31,399.94

Finding the Fourth Proportional to 51,349.43, 77,043.27 and 31,399.94

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Solution

The fourth proportional to 51,349.43, 77,043.27 and 31,399.94 is: 47,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,349.43 : 77,043.27 = 31,399.94 : x
  2. Step 2: Convert to fraction form
    51,349.43/77,043.27 = 31,399.94/x
  3. Step 3: Cross multiply
    51,349.43x = 77,043.27 × 31,399.94
  4. Step 4: Simplify right side
    51,349.43x = 2,419,153,670.19
  5. Step 5: Solve for x
    x = 2,419,153,670.19/51,349.43
  6. Step 6: Final answer
    x = 47,111.60

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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.