Home / 53,221.80-79,846.58-19,942.36

Finding the Fourth Proportional to 53,221.80, 79,846.58 and 19,942.36

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Solution

The fourth proportional to 53,221.80, 79,846.58 and 19,942.36 is: 29,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221.80 : 79,846.58 = 19,942.36 : x
  2. Step 2: Convert to fraction form
    53,221.80/79,846.58 = 19,942.36/x
  3. Step 3: Cross multiply
    53,221.80x = 79,846.58 × 19,942.36
  4. Step 4: Simplify right side
    53,221.80x = 1,592,329,243.13
  5. Step 5: Solve for x
    x = 1,592,329,243.13/53,221.80
  6. Step 6: Final answer
    x = 29,918.74

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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.