Home / 39,352.14-54,305.28-21,447.30

Finding the Fourth Proportional to 39,352.14, 54,305.28 and 21,447.30

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Solution

The fourth proportional to 39,352.14, 54,305.28 and 21,447.30 is: 29,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.14 : 54,305.28 = 21,447.30 : x
  2. Step 2: Convert to fraction form
    39,352.14/54,305.28 = 21,447.30/x
  3. Step 3: Cross multiply
    39,352.14x = 54,305.28 × 21,447.30
  4. Step 4: Simplify right side
    39,352.14x = 1,164,701,631.74
  5. Step 5: Solve for x
    x = 1,164,701,631.74/39,352.14
  6. Step 6: Final answer
    x = 29,596.91

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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.