Home / 53,690.45-80,502.59-18,148.41

Finding the Fourth Proportional to 53,690.45, 80,502.59 and 18,148.41

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Solution

The fourth proportional to 53,690.45, 80,502.59 and 18,148.41 is: 27,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,690.45 : 80,502.59 = 18,148.41 : x
  2. Step 2: Convert to fraction form
    53,690.45/80,502.59 = 18,148.41/x
  3. Step 3: Cross multiply
    53,690.45x = 80,502.59 × 18,148.41
  4. Step 4: Simplify right side
    53,690.45x = 1,460,993,918.64
  5. Step 5: Solve for x
    x = 1,460,993,918.64/53,690.45
  6. Step 6: Final answer
    x = 27,211.43

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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.