Home / 34,701.62-51,991.95-20,820.02

Finding the Fourth Proportional to 34,701.62, 51,991.95 and 20,820.02

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Solution

The fourth proportional to 34,701.62, 51,991.95 and 20,820.02 is: 31,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,701.62 : 51,991.95 = 20,820.02 : x
  2. Step 2: Convert to fraction form
    34,701.62/51,991.95 = 20,820.02/x
  3. Step 3: Cross multiply
    34,701.62x = 51,991.95 × 20,820.02
  4. Step 4: Simplify right side
    34,701.62x = 1,082,473,438.84
  5. Step 5: Solve for x
    x = 1,082,473,438.84/34,701.62
  6. Step 6: Final answer
    x = 31,193.74

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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.