Home / 39,037.94-53,872.29-21,132.93

Finding the Fourth Proportional to 39,037.94, 53,872.29 and 21,132.93

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Solution

The fourth proportional to 39,037.94, 53,872.29 and 21,132.93 is: 29,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,037.94 : 53,872.29 = 21,132.93 : x
  2. Step 2: Convert to fraction form
    39,037.94/53,872.29 = 21,132.93/x
  3. Step 3: Cross multiply
    39,037.94x = 53,872.29 × 21,132.93
  4. Step 4: Simplify right side
    39,037.94x = 1,138,479,333.51
  5. Step 5: Solve for x
    x = 1,138,479,333.51/39,037.94
  6. Step 6: Final answer
    x = 29,163.41

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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.