Home / 55,403.92-76,457.55-30,253.42

Finding the Fourth Proportional to 55,403.92, 76,457.55 and 30,253.42

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Solution

The fourth proportional to 55,403.92, 76,457.55 and 30,253.42 is: 41,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403.92 : 76,457.55 = 30,253.42 : x
  2. Step 2: Convert to fraction form
    55,403.92/76,457.55 = 30,253.42/x
  3. Step 3: Cross multiply
    55,403.92x = 76,457.55 × 30,253.42
  4. Step 4: Simplify right side
    55,403.92x = 2,313,102,372.32
  5. Step 5: Solve for x
    x = 2,313,102,372.32/55,403.92
  6. Step 6: Final answer
    x = 41,749.80

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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.