Home / 57,140.96-78,828.34-37,004.33

Finding the Fourth Proportional to 57,140.96, 78,828.34 and 37,004.33

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Solution

The fourth proportional to 57,140.96, 78,828.34 and 37,004.33 is: 51,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,140.96 : 78,828.34 = 37,004.33 : x
  2. Step 2: Convert to fraction form
    57,140.96/78,828.34 = 37,004.33/x
  3. Step 3: Cross multiply
    57,140.96x = 78,828.34 × 37,004.33
  4. Step 4: Simplify right side
    57,140.96x = 2,916,989,906.71
  5. Step 5: Solve for x
    x = 2,916,989,906.71/57,140.96
  6. Step 6: Final answer
    x = 51,049.02

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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.