Home / 40,130.65-55,379.62-22,226.41

Finding the Fourth Proportional to 40,130.65, 55,379.62 and 22,226.41

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Solution

The fourth proportional to 40,130.65, 55,379.62 and 22,226.41 is: 30,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.65 : 55,379.62 = 22,226.41 : x
  2. Step 2: Convert to fraction form
    40,130.65/55,379.62 = 22,226.41/x
  3. Step 3: Cross multiply
    40,130.65x = 55,379.62 × 22,226.41
  4. Step 4: Simplify right side
    40,130.65x = 1,230,890,139.76
  5. Step 5: Solve for x
    x = 1,230,890,139.76/40,130.65
  6. Step 6: Final answer
    x = 30,672.07

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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.