Home / 47,648.64-71,479.36-18,077.44

Finding the Fourth Proportional to 47,648.64, 71,479.36 and 18,077.44

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Solution

The fourth proportional to 47,648.64, 71,479.36 and 18,077.44 is: 27,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648.64 : 71,479.36 = 18,077.44 : x
  2. Step 2: Convert to fraction form
    47,648.64/71,479.36 = 18,077.44/x
  3. Step 3: Cross multiply
    47,648.64x = 71,479.36 × 18,077.44
  4. Step 4: Simplify right side
    47,648.64x = 1,292,163,841.64
  5. Step 5: Solve for x
    x = 1,292,163,841.64/47,648.64
  6. Step 6: Final answer
    x = 27,118.59

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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.