Home / 40,411.85-55,766.18-22,261.98

Finding the Fourth Proportional to 40,411.85, 55,766.18 and 22,261.98

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Solution

The fourth proportional to 40,411.85, 55,766.18 and 22,261.98 is: 30,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.85 : 55,766.18 = 22,261.98 : x
  2. Step 2: Convert to fraction form
    40,411.85/55,766.18 = 22,261.98/x
  3. Step 3: Cross multiply
    40,411.85x = 55,766.18 × 22,261.98
  4. Step 4: Simplify right side
    40,411.85x = 1,241,465,430.37
  5. Step 5: Solve for x
    x = 1,241,465,430.37/40,411.85
  6. Step 6: Final answer
    x = 30,720.33

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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.