Home / 30,898.11-46,348.77-8,713.28

Finding the Fourth Proportional to 30,898.11, 46,348.77 and 8,713.28

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Solution

The fourth proportional to 30,898.11, 46,348.77 and 8,713.28 is: 13,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.11 : 46,348.77 = 8,713.28 : x
  2. Step 2: Convert to fraction form
    30,898.11/46,348.77 = 8,713.28/x
  3. Step 3: Cross multiply
    30,898.11x = 46,348.77 × 8,713.28
  4. Step 4: Simplify right side
    30,898.11x = 403,849,578.92
  5. Step 5: Solve for x
    x = 403,849,578.92/30,898.11
  6. Step 6: Final answer
    x = 13,070.37

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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.