Home / 55,849.20-77,069.52-30,698.64

Finding the Fourth Proportional to 55,849.20, 77,069.52 and 30,698.64

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Solution

The fourth proportional to 55,849.20, 77,069.52 and 30,698.64 is: 42,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,849.20 : 77,069.52 = 30,698.64 : x
  2. Step 2: Convert to fraction form
    55,849.20/77,069.52 = 30,698.64/x
  3. Step 3: Cross multiply
    55,849.20x = 77,069.52 × 30,698.64
  4. Step 4: Simplify right side
    55,849.20x = 2,365,929,449.45
  5. Step 5: Solve for x
    x = 2,365,929,449.45/55,849.20
  6. Step 6: Final answer
    x = 42,362.82

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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.