Home / 45,923.12-68,891.88-19,628

Finding the Fourth Proportional to 45,923.12, 68,891.88 and 19,628

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Solution

The fourth proportional to 45,923.12, 68,891.88 and 19,628 is: 29,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,923.12 : 68,891.88 = 19,628 : x
  2. Step 2: Convert to fraction form
    45,923.12/68,891.88 = 19,628/x
  3. Step 3: Cross multiply
    45,923.12x = 68,891.88 × 19,628
  4. Step 4: Simplify right side
    45,923.12x = 1,352,209,820.64
  5. Step 5: Solve for x
    x = 1,352,209,820.64/45,923.12
  6. Step 6: Final answer
    x = 29,445.08

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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.