Home / 55,512.35-76,558.61-39,347.68

Finding the Fourth Proportional to 55,512.35, 76,558.61 and 39,347.68

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Solution

The fourth proportional to 55,512.35, 76,558.61 and 39,347.68 is: 54,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.35 : 76,558.61 = 39,347.68 : x
  2. Step 2: Convert to fraction form
    55,512.35/76,558.61 = 39,347.68/x
  3. Step 3: Cross multiply
    55,512.35x = 76,558.61 × 39,347.68
  4. Step 4: Simplify right side
    55,512.35x = 3,012,403,107.99
  5. Step 5: Solve for x
    x = 3,012,403,107.99/55,512.35
  6. Step 6: Final answer
    x = 54,265.46

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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.