Home / 39,371.41-54,331.57-21,466.77

Finding the Fourth Proportional to 39,371.41, 54,331.57 and 21,466.77

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Solution

The fourth proportional to 39,371.41, 54,331.57 and 21,466.77 is: 29,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.41 : 54,331.57 = 21,466.77 : x
  2. Step 2: Convert to fraction form
    39,371.41/54,331.57 = 21,466.77/x
  3. Step 3: Cross multiply
    39,371.41x = 54,331.57 × 21,466.77
  4. Step 4: Simplify right side
    39,371.41x = 1,166,322,937.94
  5. Step 5: Solve for x
    x = 1,166,322,937.94/39,371.41
  6. Step 6: Final answer
    x = 29,623.60

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Double scale
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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.