Home / 55,772.48-76,966.94-30,278.85

Finding the Fourth Proportional to 55,772.48, 76,966.94 and 30,278.85

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Solution

The fourth proportional to 55,772.48, 76,966.94 and 30,278.85 is: 41,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772.48 : 76,966.94 = 30,278.85 : x
  2. Step 2: Convert to fraction form
    55,772.48/76,966.94 = 30,278.85/x
  3. Step 3: Cross multiply
    55,772.48x = 76,966.94 × 30,278.85
  4. Step 4: Simplify right side
    55,772.48x = 2,330,470,431.22
  5. Step 5: Solve for x
    x = 2,330,470,431.22/55,772.48
  6. Step 6: Final answer
    x = 41,785.31

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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.