Home / 50,879.21-70,272.50-40,705.52

Finding the Fourth Proportional to 50,879.21, 70,272.50 and 40,705.52

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Solution

The fourth proportional to 50,879.21, 70,272.50 and 40,705.52 is: 56,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,879.21 : 70,272.50 = 40,705.52 : x
  2. Step 2: Convert to fraction form
    50,879.21/70,272.50 = 40,705.52/x
  3. Step 3: Cross multiply
    50,879.21x = 70,272.50 × 40,705.52
  4. Step 4: Simplify right side
    50,879.21x = 2,860,478,099.31
  5. Step 5: Solve for x
    x = 2,860,478,099.31/50,879.21
  6. Step 6: Final answer
    x = 56,220.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.