Home / 47,984.40-71,976.60-26,989.20

Finding the Fourth Proportional to 47,984.40, 71,976.60 and 26,989.20

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Solution

The fourth proportional to 47,984.40, 71,976.60 and 26,989.20 is: 40,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.40 : 71,976.60 = 26,989.20 : x
  2. Step 2: Convert to fraction form
    47,984.40/71,976.60 = 26,989.20/x
  3. Step 3: Cross multiply
    47,984.40x = 71,976.60 × 26,989.20
  4. Step 4: Simplify right side
    47,984.40x = 1,942,590,852.72
  5. Step 5: Solve for x
    x = 1,942,590,852.72/47,984.40
  6. Step 6: Final answer
    x = 40,483.80

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Similar ratio
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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.