Home / 30,975.95-46,465.69-8,787.58

Finding the Fourth Proportional to 30,975.95, 46,465.69 and 8,787.58

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Solution

The fourth proportional to 30,975.95, 46,465.69 and 8,787.58 is: 13,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.95 : 46,465.69 = 8,787.58 : x
  2. Step 2: Convert to fraction form
    30,975.95/46,465.69 = 8,787.58/x
  3. Step 3: Cross multiply
    30,975.95x = 46,465.69 × 8,787.58
  4. Step 4: Simplify right side
    30,975.95x = 408,320,968.13
  5. Step 5: Solve for x
    x = 408,320,968.13/30,975.95
  6. Step 6: Final answer
    x = 13,181.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.