Home / 29,145.60-40,199.63-19,057.86

Finding the Fourth Proportional to 29,145.60, 40,199.63 and 19,057.86

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Solution

The fourth proportional to 29,145.60, 40,199.63 and 19,057.86 is: 26,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.60 : 40,199.63 = 19,057.86 : x
  2. Step 2: Convert to fraction form
    29,145.60/40,199.63 = 19,057.86/x
  3. Step 3: Cross multiply
    29,145.60x = 40,199.63 × 19,057.86
  4. Step 4: Simplify right side
    29,145.60x = 766,118,825.30
  5. Step 5: Solve for x
    x = 766,118,825.30/29,145.60
  6. Step 6: Final answer
    x = 26,285.92

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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.