Home / 47,385.80-71,100.30-22,416.20

Finding the Fourth Proportional to 47,385.80, 71,100.30 and 22,416.20

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Solution

The fourth proportional to 47,385.80, 71,100.30 and 22,416.20 is: 33,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.80 : 71,100.30 = 22,416.20 : x
  2. Step 2: Convert to fraction form
    47,385.80/71,100.30 = 22,416.20/x
  3. Step 3: Cross multiply
    47,385.80x = 71,100.30 × 22,416.20
  4. Step 4: Simplify right side
    47,385.80x = 1,593,798,544.86
  5. Step 5: Solve for x
    x = 1,593,798,544.86/47,385.80
  6. Step 6: Final answer
    x = 33,634.52

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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.