Home / 30,691.38-46,036.93-8,504.69

Finding the Fourth Proportional to 30,691.38, 46,036.93 and 8,504.69

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Solution

The fourth proportional to 30,691.38, 46,036.93 and 8,504.69 is: 12,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,691.38 : 46,036.93 = 8,504.69 : x
  2. Step 2: Convert to fraction form
    30,691.38/46,036.93 = 8,504.69/x
  3. Step 3: Cross multiply
    30,691.38x = 46,036.93 × 8,504.69
  4. Step 4: Simplify right side
    30,691.38x = 391,529,703.11
  5. Step 5: Solve for x
    x = 391,529,703.11/30,691.38
  6. Step 6: Final answer
    x = 12,756.99

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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.