Home / 39,348.14-54,298.50-21,443.09

Finding the Fourth Proportional to 39,348.14, 54,298.50 and 21,443.09

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Solution

The fourth proportional to 39,348.14, 54,298.50 and 21,443.09 is: 29,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.14 : 54,298.50 = 21,443.09 : x
  2. Step 2: Convert to fraction form
    39,348.14/54,298.50 = 21,443.09/x
  3. Step 3: Cross multiply
    39,348.14x = 54,298.50 × 21,443.09
  4. Step 4: Simplify right side
    39,348.14x = 1,164,327,622.37
  5. Step 5: Solve for x
    x = 1,164,327,622.37/39,348.14
  6. Step 6: Final answer
    x = 29,590.41

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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.