Home / 45,919.03-63,351.95-30,012.65

Finding the Fourth Proportional to 45,919.03, 63,351.95 and 30,012.65

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Solution

The fourth proportional to 45,919.03, 63,351.95 and 30,012.65 is: 41,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,919.03 : 63,351.95 = 30,012.65 : x
  2. Step 2: Convert to fraction form
    45,919.03/63,351.95 = 30,012.65/x
  3. Step 3: Cross multiply
    45,919.03x = 63,351.95 × 30,012.65
  4. Step 4: Simplify right side
    45,919.03x = 1,901,359,902.17
  5. Step 5: Solve for x
    x = 1,901,359,902.17/45,919.03
  6. Step 6: Final answer
    x = 41,406.80

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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.