Home / 53,483.36-80,203.50-20,185.34

Finding the Fourth Proportional to 53,483.36, 80,203.50 and 20,185.34

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Solution

The fourth proportional to 53,483.36, 80,203.50 and 20,185.34 is: 30,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,483.36 : 80,203.50 = 20,185.34 : x
  2. Step 2: Convert to fraction form
    53,483.36/80,203.50 = 20,185.34/x
  3. Step 3: Cross multiply
    53,483.36x = 80,203.50 × 20,185.34
  4. Step 4: Simplify right side
    53,483.36x = 1,618,934,515.67
  5. Step 5: Solve for x
    x = 1,618,934,515.67/53,483.36
  6. Step 6: Final answer
    x = 30,269.88

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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.