Home / 38,251.40-52,784.94-21,256.64

Finding the Fourth Proportional to 38,251.40, 52,784.94 and 21,256.64

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Solution

The fourth proportional to 38,251.40, 52,784.94 and 21,256.64 is: 29,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251.40 : 52,784.94 = 21,256.64 : x
  2. Step 2: Convert to fraction form
    38,251.40/52,784.94 = 21,256.64/x
  3. Step 3: Cross multiply
    38,251.40x = 52,784.94 × 21,256.64
  4. Step 4: Simplify right side
    38,251.40x = 1,122,030,467.00
  5. Step 5: Solve for x
    x = 1,122,030,467.00/38,251.40
  6. Step 6: Final answer
    x = 29,333.06

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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.