Home / 55,299.96-76,314.42-30,151.08

Finding the Fourth Proportional to 55,299.96, 76,314.42 and 30,151.08

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Solution

The fourth proportional to 55,299.96, 76,314.42 and 30,151.08 is: 41,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,299.96 : 76,314.42 = 30,151.08 : x
  2. Step 2: Convert to fraction form
    55,299.96/76,314.42 = 30,151.08/x
  3. Step 3: Cross multiply
    55,299.96x = 76,314.42 × 30,151.08
  4. Step 4: Simplify right side
    55,299.96x = 2,300,962,182.57
  5. Step 5: Solve for x
    x = 2,300,962,182.57/55,299.96
  6. Step 6: Final answer
    x = 41,608.75

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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.