Home / 34,986.87-52,478.15-14,209.83

Finding the Fourth Proportional to 34,986.87, 52,478.15 and 14,209.83

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Solution

The fourth proportional to 34,986.87, 52,478.15 and 14,209.83 is: 21,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.87 : 52,478.15 = 14,209.83 : x
  2. Step 2: Convert to fraction form
    34,986.87/52,478.15 = 14,209.83/x
  3. Step 3: Cross multiply
    34,986.87x = 52,478.15 × 14,209.83
  4. Step 4: Simplify right side
    34,986.87x = 745,705,519.17
  5. Step 5: Solve for x
    x = 745,705,519.17/34,986.87
  6. Step 6: Final answer
    x = 21,313.87

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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.