Home / 40,804.47-56,311.19-22,900.90

Finding the Fourth Proportional to 40,804.47, 56,311.19 and 22,900.90

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Solution

The fourth proportional to 40,804.47, 56,311.19 and 22,900.90 is: 31,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,804.47 : 56,311.19 = 22,900.90 : x
  2. Step 2: Convert to fraction form
    40,804.47/56,311.19 = 22,900.90/x
  3. Step 3: Cross multiply
    40,804.47x = 56,311.19 × 22,900.90
  4. Step 4: Simplify right side
    40,804.47x = 1,289,576,816.57
  5. Step 5: Solve for x
    x = 1,289,576,816.57/40,804.47
  6. Step 6: Final answer
    x = 31,603.82

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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.