Home / 55,519.26-76,616.44-30,368.76

Finding the Fourth Proportional to 55,519.26, 76,616.44 and 30,368.76

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Solution

The fourth proportional to 55,519.26, 76,616.44 and 30,368.76 is: 41,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519.26 : 76,616.44 = 30,368.76 : x
  2. Step 2: Convert to fraction form
    55,519.26/76,616.44 = 30,368.76/x
  3. Step 3: Cross multiply
    55,519.26x = 76,616.44 × 30,368.76
  4. Step 4: Simplify right side
    55,519.26x = 2,326,746,278.41
  5. Step 5: Solve for x
    x = 2,326,746,278.41/55,519.26
  6. Step 6: Final answer
    x = 41,908.81

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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.