Home / 45,468.33-68,139.27-39,533.05

Finding the Fourth Proportional to 45,468.33, 68,139.27 and 39,533.05

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Solution

The fourth proportional to 45,468.33, 68,139.27 and 39,533.05 is: 59,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,468.33 : 68,139.27 = 39,533.05 : x
  2. Step 2: Convert to fraction form
    45,468.33/68,139.27 = 39,533.05/x
  3. Step 3: Cross multiply
    45,468.33x = 68,139.27 × 39,533.05
  4. Step 4: Simplify right side
    45,468.33x = 2,693,753,167.87
  5. Step 5: Solve for x
    x = 2,693,753,167.87/45,468.33
  6. Step 6: Final answer
    x = 59,244.60

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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.