Home / 38,335.26-52,905.15-21,339.30

Finding the Fourth Proportional to 38,335.26, 52,905.15 and 21,339.30

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Solution

The fourth proportional to 38,335.26, 52,905.15 and 21,339.30 is: 29,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.26 : 52,905.15 = 21,339.30 : x
  2. Step 2: Convert to fraction form
    38,335.26/52,905.15 = 21,339.30/x
  3. Step 3: Cross multiply
    38,335.26x = 52,905.15 × 21,339.30
  4. Step 4: Simplify right side
    38,335.26x = 1,128,958,867.40
  5. Step 5: Solve for x
    x = 1,128,958,867.40/38,335.26
  6. Step 6: Final answer
    x = 29,449.62

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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.