Home / 53,266.51-79,896.65-19,983.80

Finding the Fourth Proportional to 53,266.51, 79,896.65 and 19,983.80

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Solution

The fourth proportional to 53,266.51, 79,896.65 and 19,983.80 is: 29,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,266.51 : 79,896.65 = 19,983.80 : x
  2. Step 2: Convert to fraction form
    53,266.51/79,896.65 = 19,983.80/x
  3. Step 3: Cross multiply
    53,266.51x = 79,896.65 × 19,983.80
  4. Step 4: Simplify right side
    53,266.51x = 1,596,638,324.67
  5. Step 5: Solve for x
    x = 1,596,638,324.67/53,266.51
  6. Step 6: Final answer
    x = 29,974.52

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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.