Home / 57,208.64-78,944.68-33,339.20

Finding the Fourth Proportional to 57,208.64, 78,944.68 and 33,339.20

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Solution

The fourth proportional to 57,208.64, 78,944.68 and 33,339.20 is: 46,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,208.64 : 78,944.68 = 33,339.20 : x
  2. Step 2: Convert to fraction form
    57,208.64/78,944.68 = 33,339.20/x
  3. Step 3: Cross multiply
    57,208.64x = 78,944.68 × 33,339.20
  4. Step 4: Simplify right side
    57,208.64x = 2,631,952,475.46
  5. Step 5: Solve for x
    x = 2,631,952,475.46/57,208.64
  6. Step 6: Final answer
    x = 46,006.21

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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.