Home / 40,410.18-60,629.85-20,698.02

Finding the Fourth Proportional to 40,410.18, 60,629.85 and 20,698.02

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Solution

The fourth proportional to 40,410.18, 60,629.85 and 20,698.02 is: 31,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,410.18 : 60,629.85 = 20,698.02 : x
  2. Step 2: Convert to fraction form
    40,410.18/60,629.85 = 20,698.02/x
  3. Step 3: Cross multiply
    40,410.18x = 60,629.85 × 20,698.02
  4. Step 4: Simplify right side
    40,410.18x = 1,254,917,847.90
  5. Step 5: Solve for x
    x = 1,254,917,847.90/40,410.18
  6. Step 6: Final answer
    x = 31,054.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.