Home / 39,348.80-54,299.77-21,443.43

Finding the Fourth Proportional to 39,348.80, 54,299.77 and 21,443.43

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Solution

The fourth proportional to 39,348.80, 54,299.77 and 21,443.43 is: 29,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.80 : 54,299.77 = 21,443.43 : x
  2. Step 2: Convert to fraction form
    39,348.80/54,299.77 = 21,443.43/x
  3. Step 3: Cross multiply
    39,348.80x = 54,299.77 × 21,443.43
  4. Step 4: Simplify right side
    39,348.80x = 1,164,373,263.40
  5. Step 5: Solve for x
    x = 1,164,373,263.40/39,348.80
  6. Step 6: Final answer
    x = 29,591.07

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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.