Home / 53,323.65-79,936.03-20,065.76

Finding the Fourth Proportional to 53,323.65, 79,936.03 and 20,065.76

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Solution

The fourth proportional to 53,323.65, 79,936.03 and 20,065.76 is: 30,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,323.65 : 79,936.03 = 20,065.76 : x
  2. Step 2: Convert to fraction form
    53,323.65/79,936.03 = 20,065.76/x
  3. Step 3: Cross multiply
    53,323.65x = 79,936.03 × 20,065.76
  4. Step 4: Simplify right side
    53,323.65x = 1,603,977,193.33
  5. Step 5: Solve for x
    x = 1,603,977,193.33/53,323.65
  6. Step 6: Final answer
    x = 30,080.03

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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.