Home / 39,037.67-53,872.01-21,132.82

Finding the Fourth Proportional to 39,037.67, 53,872.01 and 21,132.82

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Solution

The fourth proportional to 39,037.67, 53,872.01 and 21,132.82 is: 29,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,037.67 : 53,872.01 = 21,132.82 : x
  2. Step 2: Convert to fraction form
    39,037.67/53,872.01 = 21,132.82/x
  3. Step 3: Cross multiply
    39,037.67x = 53,872.01 × 21,132.82
  4. Step 4: Simplify right side
    39,037.67x = 1,138,467,490.37
  5. Step 5: Solve for x
    x = 1,138,467,490.37/39,037.67
  6. Step 6: Final answer
    x = 29,163.31

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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.