Home / 40,634.40-56,072.64-22,728.48

Finding the Fourth Proportional to 40,634.40, 56,072.64 and 22,728.48

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Solution

The fourth proportional to 40,634.40, 56,072.64 and 22,728.48 is: 31,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,634.40 : 56,072.64 = 22,728.48 : x
  2. Step 2: Convert to fraction form
    40,634.40/56,072.64 = 22,728.48/x
  3. Step 3: Cross multiply
    40,634.40x = 56,072.64 × 22,728.48
  4. Step 4: Simplify right side
    40,634.40x = 1,274,445,876.79
  5. Step 5: Solve for x
    x = 1,274,445,876.79/40,634.40
  6. Step 6: Final answer
    x = 31,363.72

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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.