Home / 53,277.88-79,896.04-19,979.80

Finding the Fourth Proportional to 53,277.88, 79,896.04 and 19,979.80

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Solution

The fourth proportional to 53,277.88, 79,896.04 and 19,979.80 is: 29,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.88 : 79,896.04 = 19,979.80 : x
  2. Step 2: Convert to fraction form
    53,277.88/79,896.04 = 19,979.80/x
  3. Step 3: Cross multiply
    53,277.88x = 79,896.04 × 19,979.80
  4. Step 4: Simplify right side
    53,277.88x = 1,596,306,899.99
  5. Step 5: Solve for x
    x = 1,596,306,899.99/53,277.88
  6. Step 6: Final answer
    x = 29,961.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.