Home / 45,515.60-68,273.40-29,769.20

Finding the Fourth Proportional to 45,515.60, 68,273.40 and 29,769.20

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Solution

The fourth proportional to 45,515.60, 68,273.40 and 29,769.20 is: 44,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.60 : 68,273.40 = 29,769.20 : x
  2. Step 2: Convert to fraction form
    45,515.60/68,273.40 = 29,769.20/x
  3. Step 3: Cross multiply
    45,515.60x = 68,273.40 × 29,769.20
  4. Step 4: Simplify right side
    45,515.60x = 2,032,444,499.28
  5. Step 5: Solve for x
    x = 2,032,444,499.28/45,515.60
  6. Step 6: Final answer
    x = 44,653.80

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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.