Home / 39,371.80-54,331.72-21,466.52

Finding the Fourth Proportional to 39,371.80, 54,331.72 and 21,466.52

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Solution

The fourth proportional to 39,371.80, 54,331.72 and 21,466.52 is: 29,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.80 : 54,331.72 = 21,466.52 : x
  2. Step 2: Convert to fraction form
    39,371.80/54,331.72 = 21,466.52/x
  3. Step 3: Cross multiply
    39,371.80x = 54,331.72 × 21,466.52
  4. Step 4: Simplify right side
    39,371.80x = 1,166,312,954.01
  5. Step 5: Solve for x
    x = 1,166,312,954.01/39,371.80
  6. Step 6: Final answer
    x = 29,623.05

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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.