Home / 46,990.09-70,487.98-18,910.04

Finding the Fourth Proportional to 46,990.09, 70,487.98 and 18,910.04

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Solution

The fourth proportional to 46,990.09, 70,487.98 and 18,910.04 is: 28,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,990.09 : 70,487.98 = 18,910.04 : x
  2. Step 2: Convert to fraction form
    46,990.09/70,487.98 = 18,910.04/x
  3. Step 3: Cross multiply
    46,990.09x = 70,487.98 × 18,910.04
  4. Step 4: Simplify right side
    46,990.09x = 1,332,930,168.88
  5. Step 5: Solve for x
    x = 1,332,930,168.88/46,990.09
  6. Step 6: Final answer
    x = 28,366.20

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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.