Home / 53,651.49-80,476.42-18,137.76

Finding the Fourth Proportional to 53,651.49, 80,476.42 and 18,137.76

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Solution

The fourth proportional to 53,651.49, 80,476.42 and 18,137.76 is: 27,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.49 : 80,476.42 = 18,137.76 : x
  2. Step 2: Convert to fraction form
    53,651.49/80,476.42 = 18,137.76/x
  3. Step 3: Cross multiply
    53,651.49x = 80,476.42 × 18,137.76
  4. Step 4: Simplify right side
    53,651.49x = 1,459,661,498.55
  5. Step 5: Solve for x
    x = 1,459,661,498.55/53,651.49
  6. Step 6: Final answer
    x = 27,206.36

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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.