Home / 29,382.54-40,530.96-18,760.20

Finding the Fourth Proportional to 29,382.54, 40,530.96 and 18,760.20

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Solution

The fourth proportional to 29,382.54, 40,530.96 and 18,760.20 is: 25,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,382.54 : 40,530.96 = 18,760.20 : x
  2. Step 2: Convert to fraction form
    29,382.54/40,530.96 = 18,760.20/x
  3. Step 3: Cross multiply
    29,382.54x = 40,530.96 × 18,760.20
  4. Step 4: Simplify right side
    29,382.54x = 760,368,915.79
  5. Step 5: Solve for x
    x = 760,368,915.79/29,382.54
  6. Step 6: Final answer
    x = 25,878.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.