Home / 53,212.28-79,810.89-15,776.33

Finding the Fourth Proportional to 53,212.28, 79,810.89 and 15,776.33

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Solution

The fourth proportional to 53,212.28, 79,810.89 and 15,776.33 is: 23,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.28 : 79,810.89 = 15,776.33 : x
  2. Step 2: Convert to fraction form
    53,212.28/79,810.89 = 15,776.33/x
  3. Step 3: Cross multiply
    53,212.28x = 79,810.89 × 15,776.33
  4. Step 4: Simplify right side
    53,212.28x = 1,259,122,938.23
  5. Step 5: Solve for x
    x = 1,259,122,938.23/53,212.28
  6. Step 6: Final answer
    x = 23,662.26

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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.