Home / 42,810.84-64,198.19-12,829.33

Finding the Fourth Proportional to 42,810.84, 64,198.19 and 12,829.33

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Solution

The fourth proportional to 42,810.84, 64,198.19 and 12,829.33 is: 19,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,810.84 : 64,198.19 = 12,829.33 : x
  2. Step 2: Convert to fraction form
    42,810.84/64,198.19 = 12,829.33/x
  3. Step 3: Cross multiply
    42,810.84x = 64,198.19 × 12,829.33
  4. Step 4: Simplify right side
    42,810.84x = 823,619,877.23
  5. Step 5: Solve for x
    x = 823,619,877.23/42,810.84
  6. Step 6: Final answer
    x = 19,238.58

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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.