Home / 55,378.27-76,422.01-30,227.77

Finding the Fourth Proportional to 55,378.27, 76,422.01 and 30,227.77

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Solution

The fourth proportional to 55,378.27, 76,422.01 and 30,227.77 is: 41,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.27 : 76,422.01 = 30,227.77 : x
  2. Step 2: Convert to fraction form
    55,378.27/76,422.01 = 30,227.77/x
  3. Step 3: Cross multiply
    55,378.27x = 76,422.01 × 30,227.77
  4. Step 4: Simplify right side
    55,378.27x = 2,310,066,941.22
  5. Step 5: Solve for x
    x = 2,310,066,941.22/55,378.27
  6. Step 6: Final answer
    x = 41,714.32

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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.