Home / 40,405.48-55,758.30-22,500.10

Finding the Fourth Proportional to 40,405.48, 55,758.30 and 22,500.10

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Solution

The fourth proportional to 40,405.48, 55,758.30 and 22,500.10 is: 31,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.48 : 55,758.30 = 22,500.10 : x
  2. Step 2: Convert to fraction form
    40,405.48/55,758.30 = 22,500.10/x
  3. Step 3: Cross multiply
    40,405.48x = 55,758.30 × 22,500.10
  4. Step 4: Simplify right side
    40,405.48x = 1,254,567,325.83
  5. Step 5: Solve for x
    x = 1,254,567,325.83/40,405.48
  6. Step 6: Final answer
    x = 31,049.44

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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.