Home / 51,398.83-77,115.75-27,708.66

Finding the Fourth Proportional to 51,398.83, 77,115.75 and 27,708.66

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Solution

The fourth proportional to 51,398.83, 77,115.75 and 27,708.66 is: 41,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,398.83 : 77,115.75 = 27,708.66 : x
  2. Step 2: Convert to fraction form
    51,398.83/77,115.75 = 27,708.66/x
  3. Step 3: Cross multiply
    51,398.83x = 77,115.75 × 27,708.66
  4. Step 4: Simplify right side
    51,398.83x = 2,136,774,389.77
  5. Step 5: Solve for x
    x = 2,136,774,389.77/51,398.83
  6. Step 6: Final answer
    x = 41,572.43

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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.