Home / 45,791.20-68,725.20-22,437.60

Finding the Fourth Proportional to 45,791.20, 68,725.20 and 22,437.60

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Solution

The fourth proportional to 45,791.20, 68,725.20 and 22,437.60 is: 33,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,791.20 : 68,725.20 = 22,437.60 : x
  2. Step 2: Convert to fraction form
    45,791.20/68,725.20 = 22,437.60/x
  3. Step 3: Cross multiply
    45,791.20x = 68,725.20 × 22,437.60
  4. Step 4: Simplify right side
    45,791.20x = 1,542,028,547.52
  5. Step 5: Solve for x
    x = 1,542,028,547.52/45,791.20
  6. Step 6: Final answer
    x = 33,675.22

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1.5x scale

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.