Home / 49,026.40-73,539.60-20,939.20

Finding the Fourth Proportional to 49,026.40, 73,539.60 and 20,939.20

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Solution

The fourth proportional to 49,026.40, 73,539.60 and 20,939.20 is: 31,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,026.40 : 73,539.60 = 20,939.20 : x
  2. Step 2: Convert to fraction form
    49,026.40/73,539.60 = 20,939.20/x
  3. Step 3: Cross multiply
    49,026.40x = 73,539.60 × 20,939.20
  4. Step 4: Simplify right side
    49,026.40x = 1,539,860,392.32
  5. Step 5: Solve for x
    x = 1,539,860,392.32/49,026.40
  6. Step 6: Final answer
    x = 31,408.80

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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.