Home / 55,658.24-76,809.30-30,165.42

Finding the Fourth Proportional to 55,658.24, 76,809.30 and 30,165.42

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Solution

The fourth proportional to 55,658.24, 76,809.30 and 30,165.42 is: 41,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658.24 : 76,809.30 = 30,165.42 : x
  2. Step 2: Convert to fraction form
    55,658.24/76,809.30 = 30,165.42/x
  3. Step 3: Cross multiply
    55,658.24x = 76,809.30 × 30,165.42
  4. Step 4: Simplify right side
    55,658.24x = 2,316,984,451.56
  5. Step 5: Solve for x
    x = 2,316,984,451.56/55,658.24
  6. Step 6: Final answer
    x = 41,628.78

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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.