Home / 34,098.50-47,054.61-18,991.80

Finding the Fourth Proportional to 34,098.50, 47,054.61 and 18,991.80

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Solution

The fourth proportional to 34,098.50, 47,054.61 and 18,991.80 is: 26,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,098.50 : 47,054.61 = 18,991.80 : x
  2. Step 2: Convert to fraction form
    34,098.50/47,054.61 = 18,991.80/x
  3. Step 3: Cross multiply
    34,098.50x = 47,054.61 × 18,991.80
  4. Step 4: Simplify right side
    34,098.50x = 893,651,742.20
  5. Step 5: Solve for x
    x = 893,651,742.20/34,098.50
  6. Step 6: Final answer
    x = 26,207.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.