Home / 30,977.95-46,468.69-8,789.58

Finding the Fourth Proportional to 30,977.95, 46,468.69 and 8,789.58

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Solution

The fourth proportional to 30,977.95, 46,468.69 and 8,789.58 is: 13,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977.95 : 46,468.69 = 8,789.58 : x
  2. Step 2: Convert to fraction form
    30,977.95/46,468.69 = 8,789.58/x
  3. Step 3: Cross multiply
    30,977.95x = 46,468.69 × 8,789.58
  4. Step 4: Simplify right side
    30,977.95x = 408,440,268.25
  5. Step 5: Solve for x
    x = 408,440,268.25/30,977.95
  6. Step 6: Final answer
    x = 13,184.87

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Why These Related Problems?

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