Home / 55,767.36-76,884.48-47,775.36

Finding the Fourth Proportional to 55,767.36, 76,884.48 and 47,775.36

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Solution

The fourth proportional to 55,767.36, 76,884.48 and 47,775.36 is: 65,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767.36 : 76,884.48 = 47,775.36 : x
  2. Step 2: Convert to fraction form
    55,767.36/76,884.48 = 47,775.36/x
  3. Step 3: Cross multiply
    55,767.36x = 76,884.48 × 47,775.36
  4. Step 4: Simplify right side
    55,767.36x = 3,673,183,710.41
  5. Step 5: Solve for x
    x = 3,673,183,710.41/55,767.36
  6. Step 6: Final answer
    x = 65,866.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.