Home / 29,331.64-40,477.24-15,902.64

Finding the Fourth Proportional to 29,331.64, 40,477.24 and 15,902.64

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Solution

The fourth proportional to 29,331.64, 40,477.24 and 15,902.64 is: 21,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.64 : 40,477.24 = 15,902.64 : x
  2. Step 2: Convert to fraction form
    29,331.64/40,477.24 = 15,902.64/x
  3. Step 3: Cross multiply
    29,331.64x = 40,477.24 × 15,902.64
  4. Step 4: Simplify right side
    29,331.64x = 643,694,975.91
  5. Step 5: Solve for x
    x = 643,694,975.91/29,331.64
  6. Step 6: Final answer
    x = 21,945.41

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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.