Home / 55,656.74-83,495.36-18,218.89

Finding the Fourth Proportional to 55,656.74, 83,495.36 and 18,218.89

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Solution

The fourth proportional to 55,656.74, 83,495.36 and 18,218.89 is: 27,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,656.74 : 83,495.36 = 18,218.89 : x
  2. Step 2: Convert to fraction form
    55,656.74/83,495.36 = 18,218.89/x
  3. Step 3: Cross multiply
    55,656.74x = 83,495.36 × 18,218.89
  4. Step 4: Simplify right side
    55,656.74x = 1,521,192,826.79
  5. Step 5: Solve for x
    x = 1,521,192,826.79/55,656.74
  6. Step 6: Final answer
    x = 27,331.69

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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.