Home / 47,029.60-70,544.40-28,367.20

Finding the Fourth Proportional to 47,029.60, 70,544.40 and 28,367.20

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Solution

The fourth proportional to 47,029.60, 70,544.40 and 28,367.20 is: 42,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029.60 : 70,544.40 = 28,367.20 : x
  2. Step 2: Convert to fraction form
    47,029.60/70,544.40 = 28,367.20/x
  3. Step 3: Cross multiply
    47,029.60x = 70,544.40 × 28,367.20
  4. Step 4: Simplify right side
    47,029.60x = 2,001,147,103.68
  5. Step 5: Solve for x
    x = 2,001,147,103.68/47,029.60
  6. Step 6: Final answer
    x = 42,550.80

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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.