Home / 55,895.82-77,135.46-30,401.63

Finding the Fourth Proportional to 55,895.82, 77,135.46 and 30,401.63

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Solution

The fourth proportional to 55,895.82, 77,135.46 and 30,401.63 is: 41,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.82 : 77,135.46 = 30,401.63 : x
  2. Step 2: Convert to fraction form
    55,895.82/77,135.46 = 30,401.63/x
  3. Step 3: Cross multiply
    55,895.82x = 77,135.46 × 30,401.63
  4. Step 4: Simplify right side
    55,895.82x = 2,345,043,714.80
  5. Step 5: Solve for x
    x = 2,345,043,714.80/55,895.82
  6. Step 6: Final answer
    x = 41,953.83

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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.