Home / 40,643.88-56,090.73-22,737.81

Finding the Fourth Proportional to 40,643.88, 56,090.73 and 22,737.81

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Solution

The fourth proportional to 40,643.88, 56,090.73 and 22,737.81 is: 31,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.88 : 56,090.73 = 22,737.81 : x
  2. Step 2: Convert to fraction form
    40,643.88/56,090.73 = 22,737.81/x
  3. Step 3: Cross multiply
    40,643.88x = 56,090.73 × 22,737.81
  4. Step 4: Simplify right side
    40,643.88x = 1,275,380,529.21
  5. Step 5: Solve for x
    x = 1,275,380,529.21/40,643.88
  6. Step 6: Final answer
    x = 31,379.40

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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.