Home / 55,579.40-83,370.58-18,141.74

Finding the Fourth Proportional to 55,579.40, 83,370.58 and 18,141.74

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Solution

The fourth proportional to 55,579.40, 83,370.58 and 18,141.74 is: 27,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.40 : 83,370.58 = 18,141.74 : x
  2. Step 2: Convert to fraction form
    55,579.40/83,370.58 = 18,141.74/x
  3. Step 3: Cross multiply
    55,579.40x = 83,370.58 × 18,141.74
  4. Step 4: Simplify right side
    55,579.40x = 1,512,487,386.01
  5. Step 5: Solve for x
    x = 1,512,487,386.01/55,579.40
  6. Step 6: Final answer
    x = 27,213.09

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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.