Home / 53,455.83-80,180.83-20,175.09

Finding the Fourth Proportional to 53,455.83, 80,180.83 and 20,175.09

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Solution

The fourth proportional to 53,455.83, 80,180.83 and 20,175.09 is: 30,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.83 : 80,180.83 = 20,175.09 : x
  2. Step 2: Convert to fraction form
    53,455.83/80,180.83 = 20,175.09/x
  3. Step 3: Cross multiply
    53,455.83x = 80,180.83 × 20,175.09
  4. Step 4: Simplify right side
    53,455.83x = 1,617,655,461.52
  5. Step 5: Solve for x
    x = 1,617,655,461.52/53,455.83
  6. Step 6: Final answer
    x = 30,261.53

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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.