Home / 35,228.70-48,632.22-21,808.72

Finding the Fourth Proportional to 35,228.70, 48,632.22 and 21,808.72

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Solution

The fourth proportional to 35,228.70, 48,632.22 and 21,808.72 is: 30,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,228.70 : 48,632.22 = 21,808.72 : x
  2. Step 2: Convert to fraction form
    35,228.70/48,632.22 = 21,808.72/x
  3. Step 3: Cross multiply
    35,228.70x = 48,632.22 × 21,808.72
  4. Step 4: Simplify right side
    35,228.70x = 1,060,606,468.96
  5. Step 5: Solve for x
    x = 1,060,606,468.96/35,228.70
  6. Step 6: Final answer
    x = 30,106.32

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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.