Home / 53,579.10-80,368.66-18,499.62

Finding the Fourth Proportional to 53,579.10, 80,368.66 and 18,499.62

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Solution

The fourth proportional to 53,579.10, 80,368.66 and 18,499.62 is: 27,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.10 : 80,368.66 = 18,499.62 : x
  2. Step 2: Convert to fraction form
    53,579.10/80,368.66 = 18,499.62/x
  3. Step 3: Cross multiply
    53,579.10x = 80,368.66 × 18,499.62
  4. Step 4: Simplify right side
    53,579.10x = 1,486,789,890.36
  5. Step 5: Solve for x
    x = 1,486,789,890.36/53,579.10
  6. Step 6: Final answer
    x = 27,749.44

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1.5x scale

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.