Home / 55,021.36-82,535.56-15,581.60

Finding the Fourth Proportional to 55,021.36, 82,535.56 and 15,581.60

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Solution

The fourth proportional to 55,021.36, 82,535.56 and 15,581.60 is: 23,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.36 : 82,535.56 = 15,581.60 : x
  2. Step 2: Convert to fraction form
    55,021.36/82,535.56 = 15,581.60/x
  3. Step 3: Cross multiply
    55,021.36x = 82,535.56 × 15,581.60
  4. Step 4: Simplify right side
    55,021.36x = 1,286,036,081.70
  5. Step 5: Solve for x
    x = 1,286,036,081.70/55,021.36
  6. Step 6: Final answer
    x = 23,373.40

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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.