Home / 55,047.20-75,996.66-36,239

Finding the Fourth Proportional to 55,047.20, 75,996.66 and 36,239

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Solution

The fourth proportional to 55,047.20, 75,996.66 and 36,239 is: 50,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,047.20 : 75,996.66 = 36,239 : x
  2. Step 2: Convert to fraction form
    55,047.20/75,996.66 = 36,239/x
  3. Step 3: Cross multiply
    55,047.20x = 75,996.66 × 36,239
  4. Step 4: Simplify right side
    55,047.20x = 2,754,042,961.74
  5. Step 5: Solve for x
    x = 2,754,042,961.74/55,047.20
  6. Step 6: Final answer
    x = 50,030.57

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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.