Home / 30,857.23-46,288.55-8,670.79

Finding the Fourth Proportional to 30,857.23, 46,288.55 and 8,670.79

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Solution

The fourth proportional to 30,857.23, 46,288.55 and 8,670.79 is: 13,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.23 : 46,288.55 = 8,670.79 : x
  2. Step 2: Convert to fraction form
    30,857.23/46,288.55 = 8,670.79/x
  3. Step 3: Cross multiply
    30,857.23x = 46,288.55 × 8,670.79
  4. Step 4: Simplify right side
    30,857.23x = 401,358,296.45
  5. Step 5: Solve for x
    x = 401,358,296.45/30,857.23
  6. Step 6: Final answer
    x = 13,006.95

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1.5x scale

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.