Home / 47,796.60-71,714.16-21,513.72

Finding the Fourth Proportional to 47,796.60, 71,714.16 and 21,513.72

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Solution

The fourth proportional to 47,796.60, 71,714.16 and 21,513.72 is: 32,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,796.60 : 71,714.16 = 21,513.72 : x
  2. Step 2: Convert to fraction form
    47,796.60/71,714.16 = 21,513.72/x
  3. Step 3: Cross multiply
    47,796.60x = 71,714.16 × 21,513.72
  4. Step 4: Simplify right side
    47,796.60x = 1,542,838,358.28
  5. Step 5: Solve for x
    x = 1,542,838,358.28/47,796.60
  6. Step 6: Final answer
    x = 32,279.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.