Home / 39,254.94-54,171.57-21,349.62

Finding the Fourth Proportional to 39,254.94, 54,171.57 and 21,349.62

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Solution

The fourth proportional to 39,254.94, 54,171.57 and 21,349.62 is: 29,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,254.94 : 54,171.57 = 21,349.62 : x
  2. Step 2: Convert to fraction form
    39,254.94/54,171.57 = 21,349.62/x
  3. Step 3: Cross multiply
    39,254.94x = 54,171.57 × 21,349.62
  4. Step 4: Simplify right side
    39,254.94x = 1,156,542,434.30
  5. Step 5: Solve for x
    x = 1,156,542,434.30/39,254.94
  6. Step 6: Final answer
    x = 29,462.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.