Home / 61,818.30-92,722.05-20,265.30

Finding the Fourth Proportional to 61,818.30, 92,722.05 and 20,265.30

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Solution

The fourth proportional to 61,818.30, 92,722.05 and 20,265.30 is: 30,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,818.30 : 92,722.05 = 20,265.30 : x
  2. Step 2: Convert to fraction form
    61,818.30/92,722.05 = 20,265.30/x
  3. Step 3: Cross multiply
    61,818.30x = 92,722.05 × 20,265.30
  4. Step 4: Simplify right side
    61,818.30x = 1,879,040,159.87
  5. Step 5: Solve for x
    x = 1,879,040,159.87/61,818.30
  6. Step 6: Final answer
    x = 30,396.18

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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.