Home / 40,745.08-56,228.02-22,840.10

Finding the Fourth Proportional to 40,745.08, 56,228.02 and 22,840.10

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Solution

The fourth proportional to 40,745.08, 56,228.02 and 22,840.10 is: 31,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745.08 : 56,228.02 = 22,840.10 : x
  2. Step 2: Convert to fraction form
    40,745.08/56,228.02 = 22,840.10/x
  3. Step 3: Cross multiply
    40,745.08x = 56,228.02 × 22,840.10
  4. Step 4: Simplify right side
    40,745.08x = 1,284,253,599.60
  5. Step 5: Solve for x
    x = 1,284,253,599.60/40,745.08
  6. Step 6: Final answer
    x = 31,519.23

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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.