Home / 53,634.68-80,426.99-19,899.35

Finding the Fourth Proportional to 53,634.68, 80,426.99 and 19,899.35

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Solution

The fourth proportional to 53,634.68, 80,426.99 and 19,899.35 is: 29,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,634.68 : 80,426.99 = 19,899.35 : x
  2. Step 2: Convert to fraction form
    53,634.68/80,426.99 = 19,899.35/x
  3. Step 3: Cross multiply
    53,634.68x = 80,426.99 × 19,899.35
  4. Step 4: Simplify right side
    53,634.68x = 1,600,444,321.82
  5. Step 5: Solve for x
    x = 1,600,444,321.82/53,634.68
  6. Step 6: Final answer
    x = 29,839.73

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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.