Home / 51,709.56-71,357.28-31,600.08

Finding the Fourth Proportional to 51,709.56, 71,357.28 and 31,600.08

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Solution

The fourth proportional to 51,709.56, 71,357.28 and 31,600.08 is: 43,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,709.56 : 71,357.28 = 31,600.08 : x
  2. Step 2: Convert to fraction form
    51,709.56/71,357.28 = 31,600.08/x
  3. Step 3: Cross multiply
    51,709.56x = 71,357.28 × 31,600.08
  4. Step 4: Simplify right side
    51,709.56x = 2,254,895,756.58
  5. Step 5: Solve for x
    x = 2,254,895,756.58/51,709.56
  6. Step 6: Final answer
    x = 43,606.94

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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.