Home / 53,020.70-79,357.96-38,977.01

Finding the Fourth Proportional to 53,020.70, 79,357.96 and 38,977.01

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Solution

The fourth proportional to 53,020.70, 79,357.96 and 38,977.01 is: 58,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.70 : 79,357.96 = 38,977.01 : x
  2. Step 2: Convert to fraction form
    53,020.70/79,357.96 = 38,977.01/x
  3. Step 3: Cross multiply
    53,020.70x = 79,357.96 × 38,977.01
  4. Step 4: Simplify right side
    53,020.70x = 3,093,135,506.27
  5. Step 5: Solve for x
    x = 3,093,135,506.27/53,020.70
  6. Step 6: Final answer
    x = 58,338.27

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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.