Home / 55,016.20-75,930.78-33,810.40

Finding the Fourth Proportional to 55,016.20, 75,930.78 and 33,810.40

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Solution

The fourth proportional to 55,016.20, 75,930.78 and 33,810.40 is: 46,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,016.20 : 75,930.78 = 33,810.40 : x
  2. Step 2: Convert to fraction form
    55,016.20/75,930.78 = 33,810.40/x
  3. Step 3: Cross multiply
    55,016.20x = 75,930.78 × 33,810.40
  4. Step 4: Simplify right side
    55,016.20x = 2,567,250,044.11
  5. Step 5: Solve for x
    x = 2,567,250,044.11/55,016.20
  6. Step 6: Final answer
    x = 46,663.53

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1.5x scale

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.