Home / 51,008.81-76,519.04-13,570.41

Finding the Fourth Proportional to 51,008.81, 76,519.04 and 13,570.41

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Solution

The fourth proportional to 51,008.81, 76,519.04 and 13,570.41 is: 20,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.81 : 76,519.04 = 13,570.41 : x
  2. Step 2: Convert to fraction form
    51,008.81/76,519.04 = 13,570.41/x
  3. Step 3: Cross multiply
    51,008.81x = 76,519.04 × 13,570.41
  4. Step 4: Simplify right side
    51,008.81x = 1,038,394,745.61
  5. Step 5: Solve for x
    x = 1,038,394,745.61/51,008.81
  6. Step 6: Final answer
    x = 20,357.16

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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.