Home / 51,126.28-76,707.87-17,851.25

Finding the Fourth Proportional to 51,126.28, 76,707.87 and 17,851.25

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Solution

The fourth proportional to 51,126.28, 76,707.87 and 17,851.25 is: 26,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.28 : 76,707.87 = 17,851.25 : x
  2. Step 2: Convert to fraction form
    51,126.28/76,707.87 = 17,851.25/x
  3. Step 3: Cross multiply
    51,126.28x = 76,707.87 × 17,851.25
  4. Step 4: Simplify right side
    51,126.28x = 1,369,330,980.80
  5. Step 5: Solve for x
    x = 1,369,330,980.80/51,126.28
  6. Step 6: Final answer
    x = 26,783.31

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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.