Home / 39,531.49-54,554.75-21,626.50

Finding the Fourth Proportional to 39,531.49, 54,554.75 and 21,626.50

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Solution

The fourth proportional to 39,531.49, 54,554.75 and 21,626.50 is: 29,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.49 : 54,554.75 = 21,626.50 : x
  2. Step 2: Convert to fraction form
    39,531.49/54,554.75 = 21,626.50/x
  3. Step 3: Cross multiply
    39,531.49x = 54,554.75 × 21,626.50
  4. Step 4: Simplify right side
    39,531.49x = 1,179,827,919.97
  5. Step 5: Solve for x
    x = 1,179,827,919.97/39,531.49
  6. Step 6: Final answer
    x = 29,845.27

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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.