Home / 20,070.48-30,110.13-6,743

Finding the Fourth Proportional to 20,070.48, 30,110.13 and 6,743

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Solution

The fourth proportional to 20,070.48, 30,110.13 and 6,743 is: 10,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.48 : 30,110.13 = 6,743 : x
  2. Step 2: Convert to fraction form
    20,070.48/30,110.13 = 6,743/x
  3. Step 3: Cross multiply
    20,070.48x = 30,110.13 × 6,743
  4. Step 4: Simplify right side
    20,070.48x = 203,032,606.59
  5. Step 5: Solve for x
    x = 203,032,606.59/20,070.48
  6. Step 6: Final answer
    x = 10,115.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.