Home / 55,371.73-76,386.40-36,243.08

Finding the Fourth Proportional to 55,371.73, 76,386.40 and 36,243.08

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Solution

The fourth proportional to 55,371.73, 76,386.40 and 36,243.08 is: 49,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.73 : 76,386.40 = 36,243.08 : x
  2. Step 2: Convert to fraction form
    55,371.73/76,386.40 = 36,243.08/x
  3. Step 3: Cross multiply
    55,371.73x = 76,386.40 × 36,243.08
  4. Step 4: Simplify right side
    55,371.73x = 2,768,478,406.11
  5. Step 5: Solve for x
    x = 2,768,478,406.11/55,371.73
  6. Step 6: Final answer
    x = 49,998.05

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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.