Home / 40,555.87-55,967.22-22,651.56

Finding the Fourth Proportional to 40,555.87, 55,967.22 and 22,651.56

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Solution

The fourth proportional to 40,555.87, 55,967.22 and 22,651.56 is: 31,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.87 : 55,967.22 = 22,651.56 : x
  2. Step 2: Convert to fraction form
    40,555.87/55,967.22 = 22,651.56/x
  3. Step 3: Cross multiply
    40,555.87x = 55,967.22 × 22,651.56
  4. Step 4: Simplify right side
    40,555.87x = 1,267,744,841.86
  5. Step 5: Solve for x
    x = 1,267,744,841.86/40,555.87
  6. Step 6: Final answer
    x = 31,259.22

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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.