Home / 51,898.16-71,606.28-31,747.68

Finding the Fourth Proportional to 51,898.16, 71,606.28 and 31,747.68

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Solution

The fourth proportional to 51,898.16, 71,606.28 and 31,747.68 is: 43,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,898.16 : 71,606.28 = 31,747.68 : x
  2. Step 2: Convert to fraction form
    51,898.16/71,606.28 = 31,747.68/x
  3. Step 3: Cross multiply
    51,898.16x = 71,606.28 × 31,747.68
  4. Step 4: Simplify right side
    51,898.16x = 2,273,333,263.43
  5. Step 5: Solve for x
    x = 2,273,333,263.43/51,898.16
  6. Step 6: Final answer
    x = 43,803.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.