Home / 29,397.78-40,558.20-19,331.64

Finding the Fourth Proportional to 29,397.78, 40,558.20 and 19,331.64

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Solution

The fourth proportional to 29,397.78, 40,558.20 and 19,331.64 is: 26,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,397.78 : 40,558.20 = 19,331.64 : x
  2. Step 2: Convert to fraction form
    29,397.78/40,558.20 = 19,331.64/x
  3. Step 3: Cross multiply
    29,397.78x = 40,558.20 × 19,331.64
  4. Step 4: Simplify right side
    29,397.78x = 784,056,521.45
  5. Step 5: Solve for x
    x = 784,056,521.45/29,397.78
  6. Step 6: Final answer
    x = 26,670.60

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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.