Home / 31,116.28-46,675.95-18,715.99

Finding the Fourth Proportional to 31,116.28, 46,675.95 and 18,715.99

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Solution

The fourth proportional to 31,116.28, 46,675.95 and 18,715.99 is: 28,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.28 : 46,675.95 = 18,715.99 : x
  2. Step 2: Convert to fraction form
    31,116.28/46,675.95 = 18,715.99/x
  3. Step 3: Cross multiply
    31,116.28x = 46,675.95 × 18,715.99
  4. Step 4: Simplify right side
    31,116.28x = 873,586,613.44
  5. Step 5: Solve for x
    x = 873,586,613.44/31,116.28
  6. Step 6: Final answer
    x = 28,074.91

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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.