Home / 30,694.69-46,043.07-8,508.31

Finding the Fourth Proportional to 30,694.69, 46,043.07 and 8,508.31

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Solution

The fourth proportional to 30,694.69, 46,043.07 and 8,508.31 is: 12,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.69 : 46,043.07 = 8,508.31 : x
  2. Step 2: Convert to fraction form
    30,694.69/46,043.07 = 8,508.31/x
  3. Step 3: Cross multiply
    30,694.69x = 46,043.07 × 8,508.31
  4. Step 4: Simplify right side
    30,694.69x = 391,748,712.91
  5. Step 5: Solve for x
    x = 391,748,712.91/30,694.69
  6. Step 6: Final answer
    x = 12,762.75

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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.