Home / 39,826.83-54,962.49-21,922.59

Finding the Fourth Proportional to 39,826.83, 54,962.49 and 21,922.59

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Solution

The fourth proportional to 39,826.83, 54,962.49 and 21,922.59 is: 30,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.83 : 54,962.49 = 21,922.59 : x
  2. Step 2: Convert to fraction form
    39,826.83/54,962.49 = 21,922.59/x
  3. Step 3: Cross multiply
    39,826.83x = 54,962.49 × 21,922.59
  4. Step 4: Simplify right side
    39,826.83x = 1,204,920,133.65
  5. Step 5: Solve for x
    x = 1,204,920,133.65/39,826.83
  6. Step 6: Final answer
    x = 30,253.98

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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.