Home / 45,566.40-68,349.60-27,979.20

Finding the Fourth Proportional to 45,566.40, 68,349.60 and 27,979.20

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Solution

The fourth proportional to 45,566.40, 68,349.60 and 27,979.20 is: 41,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,566.40 : 68,349.60 = 27,979.20 : x
  2. Step 2: Convert to fraction form
    45,566.40/68,349.60 = 27,979.20/x
  3. Step 3: Cross multiply
    45,566.40x = 68,349.60 × 27,979.20
  4. Step 4: Simplify right side
    45,566.40x = 1,912,367,128.32
  5. Step 5: Solve for x
    x = 1,912,367,128.32/45,566.40
  6. Step 6: Final answer
    x = 41,968.80

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Similar ratio
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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.