Home / 53,239.04-79,779.67-21,610.61

Finding the Fourth Proportional to 53,239.04, 79,779.67 and 21,610.61

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Solution

The fourth proportional to 53,239.04, 79,779.67 and 21,610.61 is: 32,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.04 : 79,779.67 = 21,610.61 : x
  2. Step 2: Convert to fraction form
    53,239.04/79,779.67 = 21,610.61/x
  3. Step 3: Cross multiply
    53,239.04x = 79,779.67 × 21,610.61
  4. Step 4: Simplify right side
    53,239.04x = 1,724,087,629.31
  5. Step 5: Solve for x
    x = 1,724,087,629.31/53,239.04
  6. Step 6: Final answer
    x = 32,383.90

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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.