Home / 45,200.12-67,784.45-18,538.54

Finding the Fourth Proportional to 45,200.12, 67,784.45 and 18,538.54

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Solution

The fourth proportional to 45,200.12, 67,784.45 and 18,538.54 is: 27,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,200.12 : 67,784.45 = 18,538.54 : x
  2. Step 2: Convert to fraction form
    45,200.12/67,784.45 = 18,538.54/x
  3. Step 3: Cross multiply
    45,200.12x = 67,784.45 × 18,538.54
  4. Step 4: Simplify right side
    45,200.12x = 1,256,624,614.59
  5. Step 5: Solve for x
    x = 1,256,624,614.59/45,200.12
  6. Step 6: Final answer
    x = 27,801.36

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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.