Home / 40,309.40-55,622.94-23,312.36

Finding the Fourth Proportional to 40,309.40, 55,622.94 and 23,312.36

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Solution

The fourth proportional to 40,309.40, 55,622.94 and 23,312.36 is: 32,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.40 : 55,622.94 = 23,312.36 : x
  2. Step 2: Convert to fraction form
    40,309.40/55,622.94 = 23,312.36/x
  3. Step 3: Cross multiply
    40,309.40x = 55,622.94 × 23,312.36
  4. Step 4: Simplify right side
    40,309.40x = 1,296,701,723.42
  5. Step 5: Solve for x
    x = 1,296,701,723.42/40,309.40
  6. Step 6: Final answer
    x = 32,168.72

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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.