Home / 55,378.77-76,422.33-30,228.27

Finding the Fourth Proportional to 55,378.77, 76,422.33 and 30,228.27

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Solution

The fourth proportional to 55,378.77, 76,422.33 and 30,228.27 is: 41,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.77 : 76,422.33 = 30,228.27 : x
  2. Step 2: Convert to fraction form
    55,378.77/76,422.33 = 30,228.27/x
  3. Step 3: Cross multiply
    55,378.77x = 76,422.33 × 30,228.27
  4. Step 4: Simplify right side
    55,378.77x = 2,310,114,825.27
  5. Step 5: Solve for x
    x = 2,310,114,825.27/55,378.77
  6. Step 6: Final answer
    x = 41,714.81

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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.