Home / 40,140.06-55,389.47-22,234.68

Finding the Fourth Proportional to 40,140.06, 55,389.47 and 22,234.68

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Solution

The fourth proportional to 40,140.06, 55,389.47 and 22,234.68 is: 30,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.06 : 55,389.47 = 22,234.68 : x
  2. Step 2: Convert to fraction form
    40,140.06/55,389.47 = 22,234.68/x
  3. Step 3: Cross multiply
    40,140.06x = 55,389.47 × 22,234.68
  4. Step 4: Simplify right side
    40,140.06x = 1,231,567,029.65
  5. Step 5: Solve for x
    x = 1,231,567,029.65/40,140.06
  6. Step 6: Final answer
    x = 30,681.74

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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.