Home / 40,724.03-56,141.34-29,949.86

Finding the Fourth Proportional to 40,724.03, 56,141.34 and 29,949.86

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Solution

The fourth proportional to 40,724.03, 56,141.34 and 29,949.86 is: 41,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724.03 : 56,141.34 = 29,949.86 : x
  2. Step 2: Convert to fraction form
    40,724.03/56,141.34 = 29,949.86/x
  3. Step 3: Cross multiply
    40,724.03x = 56,141.34 × 29,949.86
  4. Step 4: Simplify right side
    40,724.03x = 1,681,425,273.21
  5. Step 5: Solve for x
    x = 1,681,425,273.21/40,724.03
  6. Step 6: Final answer
    x = 41,288.28

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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.