Home / 55,528.29-76,629.65-30,377.25

Finding the Fourth Proportional to 55,528.29, 76,629.65 and 30,377.25

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Solution

The fourth proportional to 55,528.29, 76,629.65 and 30,377.25 is: 41,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.29 : 76,629.65 = 30,377.25 : x
  2. Step 2: Convert to fraction form
    55,528.29/76,629.65 = 30,377.25/x
  3. Step 3: Cross multiply
    55,528.29x = 76,629.65 × 30,377.25
  4. Step 4: Simplify right side
    55,528.29x = 2,327,797,883.58
  5. Step 5: Solve for x
    x = 2,327,797,883.58/55,528.29
  6. Step 6: Final answer
    x = 41,920.94

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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.