Home / 55,946.88-77,208.32-30,454.90

Finding the Fourth Proportional to 55,946.88, 77,208.32 and 30,454.90

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Solution

The fourth proportional to 55,946.88, 77,208.32 and 30,454.90 is: 42,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,946.88 : 77,208.32 = 30,454.90 : x
  2. Step 2: Convert to fraction form
    55,946.88/77,208.32 = 30,454.90/x
  3. Step 3: Cross multiply
    55,946.88x = 77,208.32 × 30,454.90
  4. Step 4: Simplify right side
    55,946.88x = 2,351,371,664.77
  5. Step 5: Solve for x
    x = 2,351,371,664.77/55,946.88
  6. Step 6: Final answer
    x = 42,028.65

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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.