Home / 55,260.70-82,899.28-19,719.25

Finding the Fourth Proportional to 55,260.70, 82,899.28 and 19,719.25

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Solution

The fourth proportional to 55,260.70, 82,899.28 and 19,719.25 is: 29,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,260.70 : 82,899.28 = 19,719.25 : x
  2. Step 2: Convert to fraction form
    55,260.70/82,899.28 = 19,719.25/x
  3. Step 3: Cross multiply
    55,260.70x = 82,899.28 × 19,719.25
  4. Step 4: Simplify right side
    55,260.70x = 1,634,711,627.14
  5. Step 5: Solve for x
    x = 1,634,711,627.14/55,260.70
  6. Step 6: Final answer
    x = 29,581.81

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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.