Home / 51,447.51-77,180.49-18,186.93

Finding the Fourth Proportional to 51,447.51, 77,180.49 and 18,186.93

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Solution

The fourth proportional to 51,447.51, 77,180.49 and 18,186.93 is: 27,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.51 : 77,180.49 = 18,186.93 : x
  2. Step 2: Convert to fraction form
    51,447.51/77,180.49 = 18,186.93/x
  3. Step 3: Cross multiply
    51,447.51x = 77,180.49 × 18,186.93
  4. Step 4: Simplify right side
    51,447.51x = 1,403,676,169.00
  5. Step 5: Solve for x
    x = 1,403,676,169.00/51,447.51
  6. Step 6: Final answer
    x = 27,283.66

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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.