Home / 39,029.37-53,860.68-21,124.37

Finding the Fourth Proportional to 39,029.37, 53,860.68 and 21,124.37

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Solution

The fourth proportional to 39,029.37, 53,860.68 and 21,124.37 is: 29,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029.37 : 53,860.68 = 21,124.37 : x
  2. Step 2: Convert to fraction form
    39,029.37/53,860.68 = 21,124.37/x
  3. Step 3: Cross multiply
    39,029.37x = 53,860.68 × 21,124.37
  4. Step 4: Simplify right side
    39,029.37x = 1,137,772,932.77
  5. Step 5: Solve for x
    x = 1,137,772,932.77/39,029.37
  6. Step 6: Final answer
    x = 29,151.71

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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.