Home / 34,148.87-47,131.67-19,817.87

Finding the Fourth Proportional to 34,148.87, 47,131.67 and 19,817.87

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Solution

The fourth proportional to 34,148.87, 47,131.67 and 19,817.87 is: 27,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148.87 : 47,131.67 = 19,817.87 : x
  2. Step 2: Convert to fraction form
    34,148.87/47,131.67 = 19,817.87/x
  3. Step 3: Cross multiply
    34,148.87x = 47,131.67 × 19,817.87
  4. Step 4: Simplify right side
    34,148.87x = 934,049,209.85
  5. Step 5: Solve for x
    x = 934,049,209.85/34,148.87
  6. Step 6: Final answer
    x = 27,352.27

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1.5x scale

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.