Home / 46,986.40-70,478.68-11,447.92

Finding the Fourth Proportional to 46,986.40, 70,478.68 and 11,447.92

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Solution

The fourth proportional to 46,986.40, 70,478.68 and 11,447.92 is: 17,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,986.40 : 70,478.68 = 11,447.92 : x
  2. Step 2: Convert to fraction form
    46,986.40/70,478.68 = 11,447.92/x
  3. Step 3: Cross multiply
    46,986.40x = 70,478.68 × 11,447.92
  4. Step 4: Simplify right side
    46,986.40x = 806,834,290.35
  5. Step 5: Solve for x
    x = 806,834,290.35/46,986.40
  6. Step 6: Final answer
    x = 17,171.66

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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.