Home / 45,412.34-68,118.77-15,830.03

Finding the Fourth Proportional to 45,412.34, 68,118.77 and 15,830.03

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Solution

The fourth proportional to 45,412.34, 68,118.77 and 15,830.03 is: 23,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,412.34 : 68,118.77 = 15,830.03 : x
  2. Step 2: Convert to fraction form
    45,412.34/68,118.77 = 15,830.03/x
  3. Step 3: Cross multiply
    45,412.34x = 68,118.77 × 15,830.03
  4. Step 4: Simplify right side
    45,412.34x = 1,078,321,752.92
  5. Step 5: Solve for x
    x = 1,078,321,752.92/45,412.34
  6. Step 6: Final answer
    x = 23,745.13

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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.