Home / 35,065.49-48,390.35-20,730.51

Finding the Fourth Proportional to 35,065.49, 48,390.35 and 20,730.51

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Solution

The fourth proportional to 35,065.49, 48,390.35 and 20,730.51 is: 28,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,065.49 : 48,390.35 = 20,730.51 : x
  2. Step 2: Convert to fraction form
    35,065.49/48,390.35 = 20,730.51/x
  3. Step 3: Cross multiply
    35,065.49x = 48,390.35 × 20,730.51
  4. Step 4: Simplify right side
    35,065.49x = 1,003,156,530.93
  5. Step 5: Solve for x
    x = 1,003,156,530.93/35,065.49
  6. Step 6: Final answer
    x = 28,608.09

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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.