Home / 55,559.86-76,672.06-30,065.68

Finding the Fourth Proportional to 55,559.86, 76,672.06 and 30,065.68

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Solution

The fourth proportional to 55,559.86, 76,672.06 and 30,065.68 is: 41,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.86 : 76,672.06 = 30,065.68 : x
  2. Step 2: Convert to fraction form
    55,559.86/76,672.06 = 30,065.68/x
  3. Step 3: Cross multiply
    55,559.86x = 76,672.06 × 30,065.68
  4. Step 4: Simplify right side
    55,559.86x = 2,305,197,620.90
  5. Step 5: Solve for x
    x = 2,305,197,620.90/55,559.86
  6. Step 6: Final answer
    x = 41,490.34

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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.