Home / 40,643.92-56,087.50-22,739.68

Finding the Fourth Proportional to 40,643.92, 56,087.50 and 22,739.68

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Solution

The fourth proportional to 40,643.92, 56,087.50 and 22,739.68 is: 31,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.92 : 56,087.50 = 22,739.68 : x
  2. Step 2: Convert to fraction form
    40,643.92/56,087.50 = 22,739.68/x
  3. Step 3: Cross multiply
    40,643.92x = 56,087.50 × 22,739.68
  4. Step 4: Simplify right side
    40,643.92x = 1,275,411,802
  5. Step 5: Solve for x
    x = 1,275,411,802/40,643.92
  6. Step 6: Final answer
    x = 31,380.14

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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.