Home / 51,709.79-71,357.25-31,600.33

Finding the Fourth Proportional to 51,709.79, 71,357.25 and 31,600.33

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Solution

The fourth proportional to 51,709.79, 71,357.25 and 31,600.33 is: 43,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,709.79 : 71,357.25 = 31,600.33 : x
  2. Step 2: Convert to fraction form
    51,709.79/71,357.25 = 31,600.33/x
  3. Step 3: Cross multiply
    51,709.79x = 71,357.25 × 31,600.33
  4. Step 4: Simplify right side
    51,709.79x = 2,254,912,588.00
  5. Step 5: Solve for x
    x = 2,254,912,588.00/51,709.79
  6. Step 6: Final answer
    x = 43,607.07

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1.5x scale

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.