Home / 43,917.84-65,878.59-12,753.09

Finding the Fourth Proportional to 43,917.84, 65,878.59 and 12,753.09

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Solution

The fourth proportional to 43,917.84, 65,878.59 and 12,753.09 is: 19,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,917.84 : 65,878.59 = 12,753.09 : x
  2. Step 2: Convert to fraction form
    43,917.84/65,878.59 = 12,753.09/x
  3. Step 3: Cross multiply
    43,917.84x = 65,878.59 × 12,753.09
  4. Step 4: Simplify right side
    43,917.84x = 840,155,587.34
  5. Step 5: Solve for x
    x = 840,155,587.34/43,917.84
  6. Step 6: Final answer
    x = 19,130.17

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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.