Home / 51,786.60-77,681.52-16,726.56

Finding the Fourth Proportional to 51,786.60, 77,681.52 and 16,726.56

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Solution

The fourth proportional to 51,786.60, 77,681.52 and 16,726.56 is: 25,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786.60 : 77,681.52 = 16,726.56 : x
  2. Step 2: Convert to fraction form
    51,786.60/77,681.52 = 16,726.56/x
  3. Step 3: Cross multiply
    51,786.60x = 77,681.52 × 16,726.56
  4. Step 4: Simplify right side
    51,786.60x = 1,299,344,605.17
  5. Step 5: Solve for x
    x = 1,299,344,605.17/51,786.60
  6. Step 6: Final answer
    x = 25,090.36

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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.