Home / 34,173.11-47,143.46-20,019.98

Finding the Fourth Proportional to 34,173.11, 47,143.46 and 20,019.98

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Solution

The fourth proportional to 34,173.11, 47,143.46 and 20,019.98 is: 27,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.11 : 47,143.46 = 20,019.98 : x
  2. Step 2: Convert to fraction form
    34,173.11/47,143.46 = 20,019.98/x
  3. Step 3: Cross multiply
    34,173.11x = 47,143.46 × 20,019.98
  4. Step 4: Simplify right side
    34,173.11x = 943,810,790.51
  5. Step 5: Solve for x
    x = 943,810,790.51/34,173.11
  6. Step 6: Final answer
    x = 27,618.53

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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.