Home / 40,739.08-56,203.68-23,740.78

Finding the Fourth Proportional to 40,739.08, 56,203.68 and 23,740.78

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Solution

The fourth proportional to 40,739.08, 56,203.68 and 23,740.78 is: 32,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,739.08 : 56,203.68 = 23,740.78 : x
  2. Step 2: Convert to fraction form
    40,739.08/56,203.68 = 23,740.78/x
  3. Step 3: Cross multiply
    40,739.08x = 56,203.68 × 23,740.78
  4. Step 4: Simplify right side
    40,739.08x = 1,334,319,202.07
  5. Step 5: Solve for x
    x = 1,334,319,202.07/40,739.08
  6. Step 6: Final answer
    x = 32,752.81

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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.