Home / 53,498.07-80,203.35-20,199.21

Finding the Fourth Proportional to 53,498.07, 80,203.35 and 20,199.21

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Solution

The fourth proportional to 53,498.07, 80,203.35 and 20,199.21 is: 30,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,498.07 : 80,203.35 = 20,199.21 : x
  2. Step 2: Convert to fraction form
    53,498.07/80,203.35 = 20,199.21/x
  3. Step 3: Cross multiply
    53,498.07x = 80,203.35 × 20,199.21
  4. Step 4: Simplify right side
    53,498.07x = 1,620,044,309.35
  5. Step 5: Solve for x
    x = 1,620,044,309.35/53,498.07
  6. Step 6: Final answer
    x = 30,282.29

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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.