Home / 53,685.54-80,525.75-18,144.50

Finding the Fourth Proportional to 53,685.54, 80,525.75 and 18,144.50

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Solution

The fourth proportional to 53,685.54, 80,525.75 and 18,144.50 is: 27,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,685.54 : 80,525.75 = 18,144.50 : x
  2. Step 2: Convert to fraction form
    53,685.54/80,525.75 = 18,144.50/x
  3. Step 3: Cross multiply
    53,685.54x = 80,525.75 × 18,144.50
  4. Step 4: Simplify right side
    53,685.54x = 1,461,098,977.52
  5. Step 5: Solve for x
    x = 1,461,098,977.52/53,685.54
  6. Step 6: Final answer
    x = 27,215.88

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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.