Home / 39,371.29-54,331.40-21,466.64

Finding the Fourth Proportional to 39,371.29, 54,331.40 and 21,466.64

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Solution

The fourth proportional to 39,371.29, 54,331.40 and 21,466.64 is: 29,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.29 : 54,331.40 = 21,466.64 : x
  2. Step 2: Convert to fraction form
    39,371.29/54,331.40 = 21,466.64/x
  3. Step 3: Cross multiply
    39,371.29x = 54,331.40 × 21,466.64
  4. Step 4: Simplify right side
    39,371.29x = 1,166,312,632.99
  5. Step 5: Solve for x
    x = 1,166,312,632.99/39,371.29
  6. Step 6: Final answer
    x = 29,623.43

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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.