Home / 55,928.75-77,181.82-30,435.11

Finding the Fourth Proportional to 55,928.75, 77,181.82 and 30,435.11

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Solution

The fourth proportional to 55,928.75, 77,181.82 and 30,435.11 is: 42,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,928.75 : 77,181.82 = 30,435.11 : x
  2. Step 2: Convert to fraction form
    55,928.75/77,181.82 = 30,435.11/x
  3. Step 3: Cross multiply
    55,928.75x = 77,181.82 × 30,435.11
  4. Step 4: Simplify right side
    55,928.75x = 2,349,036,643.62
  5. Step 5: Solve for x
    x = 2,349,036,643.62/55,928.75
  6. Step 6: Final answer
    x = 42,000.52

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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.