Home / 57,037.73-78,712.25-31,887.23

Finding the Fourth Proportional to 57,037.73, 78,712.25 and 31,887.23

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Solution

The fourth proportional to 57,037.73, 78,712.25 and 31,887.23 is: 44,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,037.73 : 78,712.25 = 31,887.23 : x
  2. Step 2: Convert to fraction form
    57,037.73/78,712.25 = 31,887.23/x
  3. Step 3: Cross multiply
    57,037.73x = 78,712.25 × 31,887.23
  4. Step 4: Simplify right side
    57,037.73x = 2,509,915,619.57
  5. Step 5: Solve for x
    x = 2,509,915,619.57/57,037.73
  6. Step 6: Final answer
    x = 44,004.48

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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.