Home / 51,242.09-76,865.43-15,700.80

Finding the Fourth Proportional to 51,242.09, 76,865.43 and 15,700.80

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Solution

The fourth proportional to 51,242.09, 76,865.43 and 15,700.80 is: 23,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.09 : 76,865.43 = 15,700.80 : x
  2. Step 2: Convert to fraction form
    51,242.09/76,865.43 = 15,700.80/x
  3. Step 3: Cross multiply
    51,242.09x = 76,865.43 × 15,700.80
  4. Step 4: Simplify right side
    51,242.09x = 1,206,848,743.34
  5. Step 5: Solve for x
    x = 1,206,848,743.34/51,242.09
  6. Step 6: Final answer
    x = 23,551.91

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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.