Home / 55,613.17-76,745.79-30,118.95

Finding the Fourth Proportional to 55,613.17, 76,745.79 and 30,118.95

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Solution

The fourth proportional to 55,613.17, 76,745.79 and 30,118.95 is: 41,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,613.17 : 76,745.79 = 30,118.95 : x
  2. Step 2: Convert to fraction form
    55,613.17/76,745.79 = 30,118.95/x
  3. Step 3: Cross multiply
    55,613.17x = 76,745.79 × 30,118.95
  4. Step 4: Simplify right side
    55,613.17x = 2,311,502,527.01
  5. Step 5: Solve for x
    x = 2,311,502,527.01/55,613.17
  6. Step 6: Final answer
    x = 41,563.94

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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.