Home / 51,655.51-77,456.38-18,370.72

Finding the Fourth Proportional to 51,655.51, 77,456.38 and 18,370.72

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Solution

The fourth proportional to 51,655.51, 77,456.38 and 18,370.72 is: 27,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.51 : 77,456.38 = 18,370.72 : x
  2. Step 2: Convert to fraction form
    51,655.51/77,456.38 = 18,370.72/x
  3. Step 3: Cross multiply
    51,655.51x = 77,456.38 × 18,370.72
  4. Step 4: Simplify right side
    51,655.51x = 1,422,929,377.34
  5. Step 5: Solve for x
    x = 1,422,929,377.34/51,655.51
  6. Step 6: Final answer
    x = 27,546.52

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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.